He hadn't had someone he trusted to watch his back in a while. Not since Gohan, and even then, Gohan hadn't really let him fight. But Cassie understood--was his partner. Which is why he had bought rings. Was planning to marry her.

Trunks would have her back and be there for her, whether she needed it or not.

Right then he was relaxing slowly, letting her touch soothe and calm tense muscles. Letting her ki burn bright right by him. Their breathing was in synch, and he let her do her work.