So i've experienced this thing recently a few times N i always feel very uncomfrtable approaching a girl wid her male frnd coz i always have this insecurity tht whether tht guy might b her bf.
So i wud see a girl whos giving me IOIs but then some guy wud come along (whom she knows before) n she'd start ignoring me. I've tried to look for an opportunity where she's alone but she wud totally ignore me. Also i've approached in this situation n the girl introduced me to her male frnd like a normal frnd. But eventually (after 2 or 3 mins max) it turned out that she ignored me totally, while i can bet tht if i'd sarged this girl when alone she'd definitely be more responsive.

So my question is:
1) If a girl ignores when she's wid a male guy, does it mean she's sexually attracted to that guy n doesnt wanna screw up ?? (even though if she says that they r JUST frnds). How do u knw tht whether tht guy is her bf or just frnd ??
2) Should i approach in this situation ??
If so, shud i wait or look for an opportunity to get her alone or shud i just go in straight away ??
(Some gals are always wid a male frnd so it becumes almost impossible to approach them alone)

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Don't get confused by my username. I am not Bald.

The standard question you should always ask is "how do you guys know each other". Sometimes that's all you need to do, and sometimes they give you some cryptic answer. In that case just assume they are bf and gf, and call them that in front of each other. For instance, talking to the girl, "your boyfriend here doesn't seem to like me" (just a random example). Calling him "your boyfriend" will hopefully provoke a reaction and a clarification. If not, move on unless you enjoy them.