My friend has a boyfriend but hung out with another guy over the weekend. She’s afraid I’ll tell him. Was she probably cheating on him?

She won’t give me any details but said he’s not relationship material and they just met up at the museum, but I can’t understand why they would if she’s in a committed relationship.

My friend has a boyfriend but hung out with another guy over the weekend. She’s afraid I’ll tell him. Was she probably cheating on him?
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