Why Tim decided that it was last time he’d ever introduce a hybrid human-Kryptonian friend to his brothers…
Conner: You’re mocking me, aren’t you?
Jason: Oh no, no no no, no…
Damian: *suddenly points behind Conner*
Damian: SUPERBOY, LOOK! AN ALIEN!
Conner: *looks* Where?
Jason and Damian: *keel over laughing*