Distant husband

I'm sure I'm not alone in this, but I'm 32 weeks and been feeling so lonely lately as my husband is growing more and more distant from me. We have hardly touched in a couple months now. I've tried telling him how I feel and he just says "I know and I'm sorry, I'll try harder"...which doesn't make me feel much better to know that he has to "try" now because it never used to be like this. Has anyone else had this happen in their relationship and figured out a way to make it work for both of you?? 😢