"... I'm not lying." He hunches his shoulders so far it looks like he's trying to absorb his head back into his body. "I'm not saying you didn't fuck up. But if you want to dump me, do it now. Otherwise..."

Ugh. He's feeling emotions and that's making his words all awful. "I'd rather be an accident that you didn't know about rather than 'oh I knew she was pregnant and I ran off because I'm a complete asshole'."