me: guys iv changed *pulls out knife*

me: *runs in front of friend and stabs the grass* 

friend: *looks at me*

me: what ? 

me: I saw the grass move and it scared me 

friend: *laughs*

me: *gets up and looks at a fly*

me: *kills it*

friend: what was that for?

me: it tried to land on you so I killed it

friend: *stares at me*

sorry guys lol I just had to think of this I thought it was funny hehe