{"id":482,"date":"2026-02-13T19:27:55","date_gmt":"2026-02-13T19:27:55","guid":{"rendered":"https:\/\/caleywater.co.uk\/blog\/?p=482"},"modified":"2026-02-13T19:43:53","modified_gmt":"2026-02-13T19:43:53","slug":"love-is-blind-like-a-poorly-maintained-cso-screen","status":"publish","type":"post","link":"https:\/\/caleywater.co.uk\/blog\/2026\/02\/13\/love-is-blind-like-a-poorly-maintained-cso-screen\/","title":{"rendered":"Love is blind (like a poorly maintained CSO screen)."},"content":{"rendered":"\n

So Happy Valentine’s Day. But it wasn’t always corny cards and feeling obliged to buy flowers was it? At Caley Water, we wanted to dig deep and find out what the backstory to Valentine’s day was. So we asked our office AI Robot. This is what he came up with:

The History of St Valentine\u2019s Day: From Martyr to Modern Romance<\/strong><\/p>\n\n\n\n

Every February, shops fill with roses, chocolates and heart-shaped cards, but the origins of Valentine\u2019s Day are far less commercial \u2014 and far more mysterious. The story blends ancient Roman festivals, Christian history and centuries of evolving tradition.<\/p>\n\n\n\n

Here\u2019s a short journey through how St Valentine\u2019s Day<\/strong> became the celebration we know today.<\/p>\n\n\n\n

Who Was St Valentine?<\/h3>\n\n\n\n

The truth is, historians aren\u2019t entirely sure. Records suggest there were at least two early Christian martyrs named Valentine<\/strong>, both living in the Roman Empire during the 3rd century.<\/p>\n\n\n\n

The most popular legend tells of a Roman priest named Valentine who lived during the reign of Emperor Claudius II. The emperor supposedly believed unmarried men made better soldiers and banned young men from marrying. Valentine, disagreeing with the decree, continued to perform marriages in secret.<\/p>\n\n\n\n

When discovered, Valentine was imprisoned and eventually executed around 14 February, AD 269<\/strong>.<\/p>\n\n\n\n

According to later stories, while in prison he befriended the jailer\u2019s daughter and left her a note signed \u201cfrom your Valentine\u201d<\/strong>, a phrase still used today.<\/p>\n\n\n\n

From Pagan Festival to Christian Feast Day<\/h3>\n\n\n\n

Long before Valentine became associated with romance, mid-February already hosted a Roman festival called Lupercalia<\/strong>, celebrated between 13\u201315 February. The festival marked the coming of spring and included fertility rituals and matchmaking traditions.<\/p>\n\n\n\n

As Christianity spread across Europe, church leaders often replaced pagan festivals with Christian observances. By the late 5th century, Pope Gelasius I declared 14 February as St Valentine\u2019s Day<\/strong>, honouring the martyr and gradually reshaping the festival\u2019s meaning.<\/p>\n\n\n\n

How Romance Became Central<\/h3>\n\n\n\n

The connection between Valentine\u2019s Day and romance grew much later, during the Middle Ages. Poet Geoffrey Chaucer<\/strong> is often credited with linking the day to courtly love in the 14th century, writing about birds choosing their mates in February.<\/p>\n\n\n\n

By the 1400s and 1500s, exchanging love notes on St Valentine\u2019s Day became common in parts of Europe.<\/p>\n\n\n\n

The Birth of Valentine\u2019s Cards<\/h3>\n\n\n\n

Handwritten valentines became popular in the 1700s, but the tradition truly expanded in the 1800s with the rise of inexpensive printing and reliable postal services. Mass-produced cards made it easy for people to send messages anonymously, and the custom spread rapidly.<\/p>\n\n\n\n

By the early 20th century, Valentine\u2019s Day had become a major commercial holiday, with gifts, cards and flowers forming the foundation of modern celebrations.<\/p>\n\n\n\n

Valentine\u2019s Day Today<\/h3>\n\n\n\n

Today, Valentine\u2019s Day is celebrated worldwide, though customs vary. Some countries celebrate romantic partners, others focus on friendships, and in some places the day is marked by small gifts among colleagues and family members.<\/p>\n\n\n\n

While its exact origins remain partly uncertain, the spirit of the day has evolved into a celebration of affection, connection and appreciation \u2014 whether romantic or simply heartfelt.<\/p>\n\n\n\n

A Tradition That Keeps Changing<\/h3>\n\n\n\n

From Roman rituals to medieval poetry to modern cards and gifts, Valentine\u2019s Day has continually adapted to the times. What began as a mixture of legend and religious remembrance has become a global celebration of human connection.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

And perhaps that\u2019s why the holiday continues to endure \u2014 because every generation finds its own way to celebrate love.

Barf! That’s what you get when you ask a droid. Anyhoo, here’s a poem. If you get through it, treat yourself to some heart shaped chocolates:
<\/p>\n\n\n\n

Roses are red, violets are blue,
Sewers need modelling \u2014 and that\u2019s where we come through.<\/strong><\/p>\n\n\n\n

Beneath every street where the city lights gleam,
Flows a complex, unsung hydraulic dream.
While couples sip wine in a candlelit glow,
We\u2019re modelling flows where the foul waters go.<\/p>\n\n\n\n

When rainfall comes pounding and chambers run tight,
Our models predict if things flow left or right.
No chocolates or roses, no violins\u2019 tune,
Just pump curves and hydrographs under the moon.<\/p>\n\n\n\n

For love, like a sewer, needs planning and care,
Or pressure builds up\u2026 and disasters are there.
A blockage ignored or a system misread,
And suddenly romance is sewer flood dread.<\/p>\n\n\n\n

Beneath every street where the city lights gleam,
Flows a complex, unsung hydraulic dream.
While couples sip wine in a candlelit glow,
We\u2019re modelling flows where the foul waters go.<\/p>\n\n\n\n

When rainfall comes pounding and chambers run tight,
Our models predict if things flow left or right.
No chocolates or roses, no violins\u2019 tune,
Just pump curves and hydrographs under the moon.<\/p>\n\n\n\n

For love, like a sewer, needs planning and care,<\/p>\n\n\n\n

But fear not \u2014 with modelling guiding the way,
Communities stay dry come Valentine\u2019s Day.
So here\u2019s to good data, strong networks that cope,
And engineers everywhere modelling hope.<\/p>\n\n\n\n

So if this February your heart skips a beat,
Remember the systems beneath your own street.
For love may be grand, but let\u2019s give a cheer
To networks that keep all our homes running clear.<\/p>\n\n\n\n

Happy Valentine\u2019s Day from Caley Water \u2014
Where we keep the flows smooth, so romance flows smarter.<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

So Happy Valentine’s Day. But it wasn’t always corny cards and feeling obliged to buy flowers was it? At Caley […]<\/p>\n","protected":false},"author":1,"featured_media":483,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7,52,63],"tags":[3,6,4,89],"class_list":["post-482","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-caley-water","category-climate-change","category-sewers","tag-caley-water","tag-edinburgh","tag-hydraulic-modelling","tag-valentines"],"_links":{"self":[{"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/posts\/482","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=482"}],"version-history":[{"count":2,"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/posts\/482\/revisions"}],"predecessor-version":[{"id":486,"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/posts\/482\/revisions\/486"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/media\/483"}],"wp:attachment":[{"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=482"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=482"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/caleywater.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=482"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}