Once she told me "I don't even have a password on my phone, you can check if you want, I don't delete texts or anything". Once she was in the shower I checked her messages on Whatsapp and she had one conversation with a beta guy, where he initiated the convo and talked a bit, with her not giving anything real back at him, just simple answers without adding anything. The other one was one guy complimenting her status, let's call him B which she replied 'thanks!'.

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After a few months I snoop into her messages again, and both convos are gone. With the guy that complimented her (B), the original compliment was gone, but there was two more separated by a week, which this time she replies two times with 'Thanks [some heart emoji]'.

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A few weeks passed and we again talk about this subject which she says to me again that she don't delete any texts. She said the only contacts she had that were man was a guy that I know, and some a boyfriend of her friend (the complimenting B guy). I think I kind of scared her this time and I showed some insecurity.

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Yesterday I see her phone and this two male contacts were deleted (she can't initiate conversation and they can't see her status) and also the convo with the complimenting B guy was gone, again. When I discovered that the B guy had a GF I relaxed, but why the fuck would she lie? Probably because she thinks I would go nuclear as my frame is being inconsistent for a few months. But right now I don't know what to do, I feel that even tho they're white lies, this also remembered me that unicorns don't exists, and that she could lie about a lot of stuff. She may not have any man in her Whatsapp (main conversation app in Brazil), but she has 1500 followers on Instagram, she could talk with any of them, maybe even the guys she deleted the contact.

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If I confront her, would be more reasons for her to hide her secrets, and I would have to say that I saw she had a convo with the guy either by picking her phone, or lying about seeing the convo when she was scrolling the phone. The other strategy (the one I was implementing) is to let this be and again check her phone when I get the chance to see if she has any convo, her thinking I don't see her texts she would 'slip' some valuable information. What should I do?