I've talked to him a lot about this. Best I can tell he follows the AC Slater School of thought when it comes to your lady friends.
JS: "Haven't you ever heard of the women's movement?"
AC: "Sure. Put on something cute and move it on into the kitchen. Lol."
Some rules:
-Any gifts should be something you can share. (I took this advice; see the gift I got my wife in the SAT-J Explorers Club)
-When Racketman studied Science he learned the female brain was smaller than the male brain. So, if you want to be a respectful Valentine - keep this in mind when giving a co-op gift. For example he suggested I get my wife and I some brainteasers.
-Hide them in a place she'll look. He suggested my pants:
-Here's the brainteaser I got myself:
-...and then one for my Valentine:
-Lastly to get your lover in the Valentine's mood - Racketman suggests walking aimlessly through the woods in seductive attire:
(
Unintentionally NSFW, that's a part of the kilt, but it looks like something else...)
If you follow these tips on "How to Valentine"; you should have a very nice afternoon (delight). lol.