We’ve been together for a long time, but something really interesting happened. My boyfriend gave me his phone to read his old messages. At first, I said, ‘What’s the point?’ but then I couldn’t help but feel suspicious. Why would he do something like that? If it were you, would you read them or just stay away from it? Is being open better or is it better to not get involved at all?
I was like this too; I had read my ex’s messages when she asked for them. At first, it felt weird, but to be honest, she wanted to build trust with me, and I understood that. But I mean, her intentions are pretty clear; just look at what you’re feeling inside 
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I think you should ask clearly why you want this. I mean, say, ‘why do you want me to read it, is there something going on?’ Based on the answers, you’ll understand. You need to be clear about things like this 
To be honest, this looks more like an attitude of “I have nothing to hide in my past.” I mean, you don’t necessarily need to be suspicious; someone who has something to hide wouldn’t hand it over like that.
I’ll ask something: Did they open all the messages or just draw attention to a specific person? Was it just about the ex or something like that? 
Well, if you start off by saying ‘what’s the point,’ maybe that doubt comes from you? The guy might have done it just to ‘set his mind at ease,’ so why are you looking for something else right away?
I should also mention that he asked me to look at his conversations not with all the messages, but specifically with his ex-girlfriend. He said something like he wants to know if anything happened between them. But still, it’s weird
Hah, this is interesting. It feels like there’s something obvious about his ex. Either he’s hiding something bad or he wants to make it a non-issue between you two. I think he’s leaning one way 
These kinds of things are usually done as an effort to build trust, but it’s important for the intention to be clear. If it’s bothering you or if there’s pressure, it would be good to speak openly about the situation.
Sweetheart, the man might be trying to ease his heart, but there’s no point in dealing with old issues. If she were my daughter, I’d say, ‘If I can’t trust, I question the relationship anyway.’