Mommy, he's touching me - make him stop!
No I'm not.
He's doing it again, Mommy.
No I'm not.
He's almost touching me now!
No I'm not.
Mommy, he won't play with me!
No I'm not.
I've heard this conversation before.
My favorite is:
Maaaaaaawwwwwmmmm...He's looking at me.
Well, stop looking at him, and you won't know whether or not he's looking at you.