It'll be cheaper than buying them two at a time, and you'll get better seats, and you'll go out more. Repeat every four to six hours. Brush her hair for her. Don't equate romance with sex. Romance sometimes, but not not always, leads to sex.
Romance is about love, but only sometimes about sex.
Then do it. Write her a love note, poem or letter on one sheet of paper. Glue it to thin cardboard. Cut it up into puzzle-shaped pieces. Mail the puzzle to her one piece a day for a week.