NNNNNNOOOOOOOOOO I WROTE A WHOLE LONG THING AND CHROME ATE IT BECAUSE I BACKSPACED.

Long story short: being on the turtle sucks, because as comfortable as it is Jaime can't get people home, can't get home himself, and can't speed up the process of beating Malicant and getting everyone the frick home. It makes him feel idle or unhelpful, and what kind of hero isn't helpful in saving people? Being on Shep's teams, though, has taught him some useful first aid in the time he's been on it (and I'm gonna say they've helped a few folks out too!). That responsibility keeps him upbeat enough to not have a whole lot of bad "oh my god i'm on a turtle and i can't do anything about it" days.

As for Shep herself!! He likes her a LOT, because... she's basically what he imagines an actual put-together hero is supposed to be like, in charge, getting stuff done, not a jerk, etc. He's still having a few superhero growing pains, in spite of his previous success; doesn't hurt to have a good role model, right?

also he's taking big sister applications since dinah went home