Well ladies no

Well no more sex for me!!!!! I'm 26 weeks and we been trying to have sex and he can never cum anymore. And would always start to go limp. I kept asking him what wrong why can't he cum anymore and why does he always keep going limp he informed me two reasons. 1 cause our baby is in there, and it's weird that he keeps kicking him and moving around, that he just can't get off of his mind that his son is in my belly, and 2 cause I'm fat. My belly is no longer small anymore and that when he try to have sex with me he has to think back when I was skinny before I got pregnant and had a nice body. :-( that truly hurt my feelings. So guess no sex for me till after I have this baby. Which sucks cause my sex drive has been through the roof. Anyone else having these issues or what should I do.