My boyfriend has a 8 year old daughter, and we've been trying to get pregnant for the 7 months now.…

My boyfriend has a 8 year old daughter, and we've been trying to get pregnant for the 7 months now. But no luck! He says the doctor told him it's gonna be hard for him to have kids again. He won't tell me why.. I don't know what to do... I just want a baby 😭💔