If making Steven sad would make you sad, I can think of better ways to test out any hypothetical powers.

[good thing this is all hypothetical. it sure would be bad if one of the Crystal Gems did decide to start shit with Lapis where Tara could watch!]

You're really not used to people giving a crap about your emotions, are you? [that's about as rhetorical as it gets. her smile is definitely positive.] Don't worry, Lapis. I've got your back. You don't need my help to make sure nobody messes with you again, but I'll give it if you want it. Whatever that ends up meaning.