Afraid

So you guys i bagged out on this whole i want to be pregnant situation and I told my bf that I don't want to be pregnant anymore cause I have lost all hope then it's just in trying or being a mom of 3 first my heart is heavy cause I don't want to do this by myself again I already have two boys but my boyfriend really wants another baby what he does not realize is my last child is 1his last child is six i love him but y'all what should I do cause I don't want to lose my man y'all what should I do?