1: he's immature 2: he's flirting the signs are obvious. too obvious. If you have to ask, you'll never know.
-giggling -reaching for your hands -big, Corny smiles. -stupid jokes -lip biting/licking -weird eye glances
she won't let go of your balls.
They are talking with you in a really nice way
When a girl starts flirting with you, she's attracted to you. To find out the signs of flirting, look it up on Wikipedia.
if he is sweet-talking with you, it is a sign of flirting is touching you leg or knee or purposly bumping in to you when you are seated another sign
professor and adult student flirting -- but one is wondering is there more?
Flirting, blushing, touching you more often
Most likely, but he could be giving you false signs. Try flirting back and see what happens.
If he's a stupid immature boy, he'll act perverted and gross and probably prank call you. If he's sweet, he'll sweet talk you as in "you looked pretty today" or "you have the prettiest eyes"
There are a great many different signs your ex may give you when they flirt with you. They may compliment you excessively for example.
She is always arguing with him and talking with him and they are really close