Here's some cool advice I can give you about Valentines day.
What to do on V-Day and what to give. NOTHING!!!!!!
No flowers, no teddy bears, no chocolates. And for the love of GOD no fancy car or Limo's.
True Story: I once meet this great couple in a restaurant in Japan using direct approach. I told them honestly that the vibe I was receiving from both of them were very positive and romantic. I said " Are you both engaged or something?" and they were both planning on getting married. I then said " You know whats so foolish about V-Day, is the constant pressure about V-day that you have to give or do something nice to the opposite sex. In reality it's same as saying sorry I was a dick to you the whole year, but for this day i'll be nice." They both obviously in love and both on the same page. Agreed with me, and the guy said, no he haven't bought or gave any chocolate or expensive gifts, but the time they were spending together was whats important. He and his fiancee offered me to sit down with them, and have a conversation. In which they paided for a awesome meal. And said they were really glad I came up and talked to them, and that it was so REAL.
Moral: Don't fall for the traps of societies garbage of social conditioning. She will and appreciate you even more if you just said, lets go hangout and spent some fun time together. Getting her things for V-day may seem like a good excuse to show appreciation. But it's really just social validation which is really just a major DLV.