What would you do or say if this happened to you?

So an co worker at the store my friends works at came along to hangout with us, she asked us for advice and we really didn't know how to go by this because we don't know the whole story? So basically, she's friends with a guy she knows at college ( she has a boyfriend ) so they like to hangout after studying, so it went from studying partners to a platonic friendship. So one night he called her while he was wasted if she can pick him up from a party he was. She agreed and picked him up. So she was telling us that he was mumbling stuff that maybe he thought was thinking to himself, but he was saying it out loud about, " how he respects her and her boyfriend and he's not that type of guy". Now she's worried thinking he might start having sexual feelings about her or she could be overthinking it. She's afraid that she might lose a friendship if this was something she started to overthink even though it's not true at all.

What would you do or say if this happened to you?
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