Meant what, huh?

[Ah he's so good at taking everything the wrong way.]

Of how to what, take care of someone younger than me? I don't like children, so I've never bothered to learn anything like that. If the young person isn't too much of a hassle, though, I'd probably be okay with them for a bit.

[He has no idea how responsible he really is. Gokudera would probably make an excellent caretaker despite his rough attitude.]

How young is this person you're helping look after?