I read the article to which Gypsy refers, pretty sure Valentine wasnt based on pagan beliefs, as pagans date back far to far in the distance of British history.
As for causing teenagers to indulge in wild sex er nope!!

The whole article is generalizing all westerners to be sex mad pagans mmmm now how can I generalize the sort of person that would make such comments oh yeah IDIOT!!!

We came we saw we were Qatarized