[The problem is that he has no clue how to say "maybe we should just start with hanging out and being friends" without being too blunt about it. And he's aware that it's not always the best idea to be super blunt with children - with adults he doesn't care, they can deal with it, but a bitty like this...]
I...I do not know how to have a bigger family, Diarmuid. I have only had this one, and...only for a very short time. I...
[It's also hard to say something like "I'm not sure if I'm even good at having a family because I'm an unnatural monster" to a kid. Mewtwo has problems, and he knows that, but he won't unload them onto Diarmuid.]
I...will meet with you at the lake, with Alcyon and Lir. [He should say more. But what more? He cannot social.
[audio]
I...I do not know how to have a bigger family, Diarmuid. I have only had this one, and...only for a very short time. I...
[It's also hard to say something like "I'm not sure if I'm even good at having a family because I'm an unnatural monster" to a kid. Mewtwo has problems, and he knows that, but he won't unload them onto Diarmuid.]
I...will meet with you at the lake, with Alcyon and Lir. [He should say more. But what more? He cannot social.
Distractedly; ]
I do not know what a ninja cat is.