Thats what the world seemed to ask Zizou after the head-butting. Zidane may have said "Is kyun ka jawaab nahi hai mere paas" but here is a take on might have led him into doing that when the whole world was watching. Matterazi pulls Zidane's shirt, suddenly smells something and asks: "Zizou tum bhi ..... yeh duniya mein sab log chlormint kyun khaate hain?" The head-butting happens ... Zidane heard muttering to the fallen Matterazi: "Dobara mat poochna"