Should I tell my husband I went through his phone?

I recently went through my husbands phone because it kept going off in the middle of the night. But I decided to see what was going on since he had been hiding the screen away from me when he sits next me. I went on safari and went to his history which had said he had been creeping on his ex’s Facebook page a couple of times recently. Which is weird because we have a no contact rule when it comes to exs. When I saw that I went through his photos and videos, where I found some videos and photos of them in the recently deleted album. I’m frustrated because this ex was the ex his mom wanted him to marry. And They broke up two years ago but she seems to be poking up every once in awhile to this day. She seems to have “moved on” on Facebook but for him I feel he has not. 😒

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