[Does he have to explain it? Why does he have to explain it.]

I mean, I haven't even been the best friend lately, and I can't make you very happy and I hurt you and just--you should be with someone who's stronger and more responsible! You could have that, you know, like a really cute and smart girlfriend.

[His fingers dig into his arm, gaze set firmly on the floor.] And how can you really be sure I'm the best? Because like you said, we've never...