Will girls approach guys at the bar?

It's not often I'll even go to a bar, but i've found that they will usually approach me when I break away from the friend I'm with. Like on the way to the bathroom or on my way to get another drink. This doesn't happen any other time in life, so is she just totally shnockered or what? Or is it just more acceptable to approach someone in a bar even if it's a female doing the approaching?

Will girls approach guys at the bar?
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