Either keep it for the next time someone makes a crappy joke, or just plain eat it.

Send him/her to therapy

Continue to observe.

nothing lol,, let them be happy

Buy'm a drink, get them drunk and see if I can get anything usefull out of him.

I'd ask them why they're looking at me like that

I'd explain that they seem... familiar.
Aren't you the one with an art thread?

Planning their death.

Watch it on the news on how about it got gunned down by the army, followed by the documentairy of how about they vivisect it.

Stare

Just say hi

ill just let it kill me

Grab a knife from the kitchen and then stab it

Rodeo it.

Run away from it.

ride it off into the sunset

Film the whole thing happening.

Take the camera, then slap it on his head.

Probably run away

Stare'm dead in the eye and see what they do.
You make me curious.