You were standing infront of your soon to be groom as the priest asked if everyone is fine with this marriage

Taehyung (your innocent boyfriend) Barged into the church in panic and looked towards you and the guests in church

You can't marry this guy!!!

His innocent brain wasn't working when he said

I'm pregnant

Taehyung gulped thinking it's the way he could stop the wedding (he saw these kind of scenes in movies