Seems to be a bit rude from your point of view but from his point of view he's just greeting another friend.
Well, you can't tell that much, but if you mean seeing another girl, I don't know. If you mean talking to another girl, you are just really jealous. he just starts talking to another girl, and looking at you when he is talking to make you jealous. flirts with her, stuff like tht you will probaly see it, u don't have to ask
when he starts to stop talking to you as much as he did and he doesn't seem to eager to hang out with you and is talking to someone but has to go somewhere else.
You talk to her. But honestly, it depends why you two stopped talking in the first place.
She randomly starts talking and asking about making out
No. He is talking to another person.
when the girl starts to act all fidgety and all nervous around you all of a sudden. When she starts a question and she would always say 'never mind' and she tries to get you alone or when she's blushing a lot.
When a girl you have been talking to online for a couple of weeks gives you her number and starts calling you babe, it is a sign that at the very least, she is growing fond of you. If you are interested in dating the girl, make it clear by asking her out.
If you are are talking about a romantic relationship, the answer is no. By definition, a straight girl does not want a romantic relationship with another girl.
its called a panic attack!
keep talking to her until she waves back but when she starts waving keep talking to her until the star appears
definitly not all of a sudden.. she texting because she never forgot.
It's not a bad thing. Honestly most girls get jealous when there boyfriend is talking to another girl. But you shouldn't worry about it.