Because they can't resist hitting the black ball.
Because he likes to Hit it and Quidditch
One shoots but can't hit, the other hoots but can't sh...
None, they just shoot the room for being black.
do NOT respond with "I know, right !"
When it's past your eyes.
Because he always shoots the black one first.
They resist Flo.
They can't resist.
Because a black ball knocks over white pins with red necks.