Friends: "No, dude, you're not, you're a fag. Anybody can make a 'flamethrower' out of deodorant and a lighter. Can you make a pipe bomb? No? You haven't? Can you tell the difference between the smell of butane and natural gas? You can't?! Well then you're not a fucking pyro! Go home and play with your matches."
They May Go Looking For Places Which Will Be Private, As Most See Them As Arsonists.
They Often Do It To Let Out Emotions, Or Because They Want To SEE Fire.