Yes, of course it is!
Love of card sales. And actually, sales of almost anything else you can imagine!
Try booking a table for two in a popular restaurant, especially if Valentine’s Day falls on a Friday, a Saturday or, like this year, a Sunday. You can find special Valentine screenings of Love Story or some other appropriately sentimental melodrama. Our local chocolate shop is full of it – and hopes to be empty of it I suppose come next Monday. The kiddies’ clothes shop idem ditto although the relevance eludes me. The trendy silver jewellery shop has gone absolutely heart-shaped; cardiac I suppose you could say.