<human>: We've been together roughly 7 months and everything has been good and still is but I just need to know if it's my place to ask my boyfriend a few things about speaking to his ex again.

Short back story to it. He went out with his ex for longer than a year, they broke up and barely spoke after that and never spoke once everything was over and done with. She now has a new boyfriend who is my boyfriend's mate but there is no tension between the mates but whenever my boyfriend does speak about his ex in front of me it's as if he wants nothing or as little as possible to do with her. (From my understanding the ex-girlfriend doesn't want much to do with my boyfriend either.)

So I know they will very occasionally message each other, and in the past when it's been mentioned the messaging started from her. There was an event on recently where they would have been around each other and my boyfriend had told me that she wanted to speak to him just to get all the crap over and done with which I was fine with.
They never ended up speaking at this event because she had to leave early but I asked my boyfriend at least a week afterwards if they had spoken yet and he said they had and I asked if it was just a few general messages or what and he basically just kind of said a "yeah" and left it at that.

I'm not concerned about anything and I don't care if they message but I'm curious to know what they have to talk about though. Am I out of place to ask my boyfriend again what topics are spoken? I don't need to be shown messages or anything but I just want to know what more there is to talk about.

Can you condense the text into a few key points?
<bot>: Boyfriend been talking to ex(who has her own boyfriend too), not concerned, just curious to what they talk about, am I out of place to ask him what there is left to talk about?