<human>: Condense the text into a few key points

I don't think he meant it sexually and I know a 100% he's not cheating. This isn't about that. He meant it harmlessly (he's not cheating, I know this for sure, it's not up for debate). I saw it, I haven't told him--it made me cry in front of him.

I cried all last night, didn't tell him why. Woke up at 5am thinking about it, got out of bed and cried more. He got out of bed too, held me, kept pressing for why--I don't know how to tell him what I know and why it hurts. It seems silly because of the context... she was feeling down and calling herself ugly, she's a lesbian, he said she's sexy. His ex.. who he's very close friends with (but they're a million miles away, and again, she's a lesbian).

I made him cry by crying. He was very confused, I wiped his tears and told him it was okay. I took him back to bed and we cuddled and had make up sex. He doesn't know why still... I'm still sad, just not crying any more. 

I don't know whether to tell him or just leave it be now. It seems trivial when I'm calm, but I think about it and it causes a sharp pain. I half want to ask him to never to speak to her again but that seems unfair...
<bot>: Boyfriend called his lesbian ex sexy, I saw it (after invading his privacy), and while I know they're not cheating--I don't know how to tell my boyfriend that it hurt me.