Whether you have been dating for a while and want to tell him how you feel or havent been dating long at all but want to show you care, a card goes a long way. Get out the construction paper, doilies and stamps and get artsy. For amazing card ideas, check out Martha Stewarts card projects. When it comes to writing, a cute poem or heartfelt message is always a hit. Cosmo came up with an awesome list of tips for writing a Valentines Day card and read them here.