when a girl acts nervous around you, do you suspect that it's because she has a crush on you?

Some people, both women and men are introverted and extremely shy. With social media and everyone under scrutiny in the public eye, anxiety has increased tenfold. Yes she might have a crush on you but that only adds to the pressure. And sadly most won't know how to interpret it properly and will only make things worse.

Sometimes, but other times I think she's just excited to see me. Either way, I just try to roll with it.

Nah I get it. I also deal with social anxiety.

Yes among other things of course