Guys:Have you ever teased/made fun of/wind up a girl (she's your friend) who you like? If yes,then,

1. why did you do this?
2. Is this a playground flirting technique?
3. Don't you think that it's immature?
4.Did you do this when you were young?
5. How did you tease the girl who you liked? Pulling/playing with her hair? Calling her 'ugly','fat' or 'stupid' playfully?Touching her?

Please share your experience. Thanks :-)
Nels N: What?!You pulled her hair then you stuck out your tongue?! So you wanted to taste her hair?!
Don't you think that it's creepy?!