What does it mean when a girl that is dating your friend touches your knee is this flirting behavior?

[Anonymous]

She also playfully engages in bantering

[Avicenna]

It's usually flirting, yes

[12karen]

Only knees, she's just being friendly and is more comfortable with you

[boobliker]

o yes he wants to get up much more

[In_Trance]

Means nothing