Do guys not talk to women?

Baiscally, I go to this gym and I went one night and I met this grandma and she introduced me to this guy and he just stared at me and I said hi and then we parted ways and from then on I sometimes when I glance his way I see him starting to stare at me but like it's not all the time and I don't know what it means cuz he also has a friend there that talked to me and him and that guy talk a lot and they went up to the the receptionist to talk to her so i don't know what is going on.

Do guys not talk to women?
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