Guy asked for my friend’s number?

I have been with a guy, well talking for almost two years. We haven’t been too close recently, but he offered to take my friends and I out drinking/eating and pay for everything (he’s never met them). I go to the bathroom and my friend later tells me that they were talking, he said she was cool and that he asked for her number. I was appalled! But she said that he likes me and thinks he just wants more friends and it was platonic and didn’t make a move on her or text her
I don't know what to make of this and I don't know what to do! What should I do?
9 d
This friend as a boyfriend by the way, and they are having relationship problems
Guy asked for my friend’s number?
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