A weak shrug of his shoulders. "Before today, I don't know if I'd have known the answer. But now, I think it's just... you understand, I'm not complaining. She's a GOOD person. One of the best. But I don't look at other people and think, "yeah, I want to ... do... stuff... with them. I don't want sex. It isn't... compelling." He finally manages to say the word.
"I really don't care what other people think of me. But what if they think my mom is... a failure, because I'm..." A loveless shitstain? A cold-hearted slugtrail? A rotten sack of potatoes, only with fewer eyes?