hon spend all the time you can with him. let him know you love him and say all the things you never felt you could say or do ie: be more intimate with him. holding his hand or hugging him. it is unfortunate alot of families are not more affectionate with each other. I wish my mother had reached out to me but it was not her nature. as far as the baby goes, most men don't get excited til the baby gets here but with his health issue maybe seeing a great ultrasound pic he will get excited. to heck with asking your stepmom. this is between you and your dad. enjoy what time you have with him. share the good memories.