[... Robert is almost overwhelmed by this. For someone who had such difficulties making friendships - who sees them in such rigid, structured ways, and who is still influenced by the idea that he needs to earn friendships and is judged by value against other friends... this is something that seems almost impossible.]

You deserve them too, though. And yet I am too weak to give anything back. This is why I want to find some way to help somehow.

[That next part? That... that makes Robert very sad. He knows that Litchi would have never done something like that on purpose... so surely it would hurt her even more.]

I lost a loved one too. I [... can he really write this? He pauses too, before admitting this much, haltingly:] drove him away because of my mistakes.

Perhaps I cannot say I understand entirely, but there may be a commonality.