Hello fellow pool players. I have a question awhile ago i was playing in a nine ball tourny and during a match i broke the balls and made nothing my opponent whom ive never met before and i didnt really know anyone in the pool room well i left him hooked on the 1 ball he gets up looks over the table then without letting me know he was pushing out he shoots the 9 in the corner and spots it back up. now ive been out of the pool scene for about a year but ive logged in about 20 years of playing and never has an opponent not called a push out before they did it. So i asked him politely "was that a push"? and he looks at me like im trying to scheme him into giving me ball in hand he says "dude you know it was a push because it looked obvious" I said well what i know is that your supposed to inform your opponent before you push. anyway i let him shoot it he missed i ran out. My question is i need to know is it written that you must inform your opponent of a push out? or is it just a gentlmanly thing? i mean i dont know this guys ability maybe he's tryin to kick at the 1 ball and missed it really bad! then says after the fact that it was a push! Turns out he plays pretty good and i was thinking he might be tryin to get one over on me. just the way he was stressing that the push was obvious but like i said no one has ever not called a push on me.