Girls, would you touch another guy if you already had a boyfriend?

There is a girl i know and she has a boyfriend.

what happened is that out group went somewhere (her boyfriend didn't have time to come) and we were alone. She started to touch me on my tummy. Placing her hand there and keeping it there.

i backed off and she placed her hand again there. Why would she do that if she has a boyfriend?

Girls, would you touch another guy if you already had a boyfriend?
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