I think I'm being cheated on...UPDATE

Well.... I found out why he fought for snapchat hes been talking to someone girl named Mary. And also I found out he's been doing meth at work. Thank you to tell women that were calling me crazy and an overthinker.. obviously you can't give advice to save your life. Im trying to find a place to stay asap. Its over.

I've been with my boyfriend for almost 3 years now. In the beginning he had told me I could go thru his phone whenever and that he had nothing to hide. Over the past 6 months im not allowed to go thru his phone. He takes it from me if he thinks I'm going to go thru it. He takes it with him everytime he showers, I only have access to it when he is asleep but I always get too nervous to look so I don't. He tells me he doesn't go thru mine, so why do I need to go thru his. He has never given me a reason to think he is cheating and I've only went thru his phone maybe a total of 3 times and that was in the beginning. We've gotten rid of all social media except he put a fight up for snapchat because him and his coworkers are in a group chat and that's how they communicate at work. 🙄 anyways.... he got his check yesterday and it did not match the hours he told me he was getting off. He is missing a whole day of work and didn't even seem too bothered about it. I told him to text his boss and ask but he wouldn't. And I told him, let me guess your going to wait till tomorrow when you go in and ask instead of showing me proof that you went to work... he said no, but did just that today. Something feels off. He rarely wants to have sex, he stays outside longer than it takes to smoke a cigarette real quick.. he doesn't talk to me on his work breaks like he use too. I've already had a long talk with him about my suspicions and how I feel but he tells me he's not cheating and he would never break up our family for some other female.. Our daughter just turned 1 and im pregnant with our son.. I really hope this is just crazy hormones im feeling but I can't shake this feeling I have...