It's always rewarding when someone thanks you for being romantic, eve if it's just to say thank you for calling. So rewards your partner the next time you like what he does. It's a guaranteed way to increase more of the same type of behavior in the future.
Romance gives a relationship a sense of meaning and excitement.
Being romantic involves being generous with your concern, interest, and affection. Sometimes people think their relationships are set in stone and can't be changed. The dynamics of all relationships, old and new, can change. Don't be easy to anger, don't keep records of wrongdoings, and don't delight in evil but rejoice in love because love protests, trusts, hopes, and never fails. If you stick with the basics, you'll be a winner in romance.