He won't. You know how we are when we are angry. We spout things we don't mean. He hasn't had 18 years of the love of a good woman to mellow him out. He's angry, he's scared and he wants to protect you. You know best how to handle us when we are angry. Just give him a hug and that sweet little smile of yours and he'll calm down. Especially once he finds out your expecting.
Making me a grandpa at my young age of 1000, sweetheart?