Just curious

So my husband and I have a good relationship. We’ve had some problems in the past... survived infidelity and emotional abuse. Have a precious little boy and fixing to welcome our little girl in May, my question for you ladies and gents is... is one woman never enough? Like we’re sexually active and I give him head & ride him any which way he wants, he doesn’t go down on me, or kiss me which I’ve come to accept because he doesn’t like those things. But lately he’s constantly looking at porn, he doesn’t master bate just watches. Same thing with twitter and Snapchat and instagram. He’s always looking at nude pictures and says he feels guilty about it but will do it a few days later.

I look nothing like the women he searches for which hits my insecurities & knocks me emotions around even more since I’m 32 weeks along. I was a small girl when we met; we both gained weight. I lost a bunch after my son was born & have lost even more during this pregnancy. So most days I feel great but I think I’m too sensitive and am taking this the wrong way.. I don’t look at other men or search them on social media so my question is am I being a cry baby? Or over reacting? If it’s normal can I get a guys view and why y’all do it??