[He has to remind himself that this Czes hasn't known him for as long as the one back home, but he's still slightly hurt that Czes doesn't already know why: because they're family.]
Because I'm supposed to look after you.
[He has a feeling Czes might not reply nicely to that, so he adds:]
And stuff like that can affect the rest of us too, you know.
[Voice] You're a sour lemon!
Because I'm supposed to look after you.
[He has a feeling Czes might not reply nicely to that, so he adds:]
And stuff like that can affect the rest of us too, you know.