Substitute lover?

Poppy Carlton: cousin to the groom. She is devastated when Chris falls in love and marries someone else. She will never love again.

James Carlton: the groom’s older brother — and best man. Mocking and cynical, he is the exact opposite of fun-loving Chris.

James taunts Poppy that she should find herself a real man and leave her adolescent fantasies behind. He is not averse to showing her just what real passion is about. But how can he be sure that her response is for him? Perhaps she’s just using him as a substitute for his brother...