whats wrong with me???

ill be 37 weeks tomorrow, my rainbow baby and im so very excited. BUT i have been trying to get my husband to touch me but he wont. wont hold me in bed wont hold my hand in public or in the privacy of our own home. he dont even wanna have sex with me. im trying everything and he just keeps saying not right now. whats wrong with me? im already feeling bad about myself,this just adds on to it.