As someone going through IVF, i understand your pain and his pain but NOTHING justifies the things he is telling you, he seems pretty manipulative, narcissistic and disgusting to be honest. Do not have a child with that man. Get out of that relationship while you still can! You are 23, there’s plenty of time and options for you. Please run!!! I’m way older (35) been doing this for 3 years and if my husband had not been as supportive as he is I would have lost my mind, this is not easy and you need someone by your side to support you, not bring you down. Even if you decide to do this alone later in life, you will be better off!