You and Isaac are enemies and always argue like a kid

One day, have a huge party to celebrate on successful mission. You and Isaac both drunk too much until both made a mistake. He makes you pregnant

Isaac doesn't know you're pregnant so you decide to hide your pregnancy from him. 3 months later, your baby bump showed and it's hard to hide it

You walk somewhere and almost fall but Isaac catches you with touches your belly

"You better diet because you getting fat" He mocked