Vasectomy, Pregnancy, and His Brother

This text conversation started normal then turned into the most insane confession I've ever witnessed.

So this girl texts her boyfriend saying she needs to talk. He immediately assumes she's breaking up

with him and starts spiraling. I miss one call and you're done with me.

She tries explaining that's not it but he won't let her finish. He's going off about

how he knew this was coming and how girls always leave him. She keeps saying

babe please just listen. He sends paragraph after paragraph about their memories

together and how he'll change. Then she finally gets a word in. I'm pregnant.

Dead silence for like two minutes. Then he responds. I can't be the father. She's confused asking