Rogue & Gambit's love story is a dramatic journey of ... As she felt the intense sensations of young love, her first kiss with Cody wound up draining his life energy, leaving him in a coma.

Granted, Rogue fears that kissing Gambit would hurt him due to her powers, but he doesn't care about his well-being, only about wanting to be with Rogue as closely as she'd be comfortable with.