Yes. Chores around the house. Believe it or not, that'll go a long way with her (and most women). And breakfast in bed is a good idea, too. Do the dishes afterwards then brace yourself for good loving.
There are numerous things you can do with your girlfriend on Valentine's Day, for example, you can buy her a present, watch with her, her favorite program, take her out for lunch or cook her favorite dish. Additionally, you can also watch with her a photo montage, which you made for her, after which you can go out for a romantic dinner. Also, you can go and buy chocolates for each other and take some photographs together.