Guys, would you be mad if your girlfriend had sex or hooked up with a girl?

I cannot definitively say that I like girls. I find them attractive, sometimes I get turned on but I don't ever act on it. I have a boyfriend who I am very much attracted to. And I love him a lot, so it is weird that I am asking this question. But then again, maybe it's not. I feel that more guys would be intimidated, or angry if their girlfriends were flirting with guys rather than with girls. So I wonder, would it be enough to break the relationship if their girlfriends slept with girls, or hooked up with girls. As opposed to with guys.
Guys, would you be mad if your girlfriend had sex or hooked up with a girl?
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