Do I leave my guy when I can’t trust him?

I’m currently 6 months pregnant and my boyfriend hasn’t been loyal and been clicking on girls naked/videos. It been happening since we got together basically and I can’t take the hurt anymore. I can’t trust him…he lies to my face a lot and every time I catch him he lies non stop. he tell his friends I’m tripping. Says he going to change but after a few day he goes back. I moved from another state to be with him, left everything and everyone I know behind for him…Should I just leave and go back to my home state?

Do I leave my guy when I can’t trust him?
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