Please help :'(

Ok mom's I kno this app is about our pregnancy, but I'm just hurt..I need advice my fiance and I have been together for 5 almost 6 years. Since I've been pregnant I haven't been in the mood to have intercourse so I took videos when we did do stuff and a bunch of pictures. Well my fiance watches porn and he told me if I put videos and pictures on his tablet he wouldn't have to watch porn.. well surprise surprise I caught him watching it again last night .. I've told him it bothers me and so forth but he still watches it :'( .. I have no Idea what to do.. I kno I'm not pretty or have a perfect body.. but I still try to be pretty.. my heart is just aching what can I do ?? :'( please help