[Sighing deeply, knowing he's already caught. He rubs his still runny nose with his sleeve, before pulling his knees up to his chest.] I--I didn't mean to listen in. It's just, I heard my name and thought-- [shakes his head hard] It doesn't matter. I shouldn't have stayed. Sorry 'bout that...

[And he's... just not going to react on that last line, except maybe for tightening his grip on his knees. Because he's really starting to doubt this about himself. Should he even really be here at all? He's not sure anymore.]