So I was playing Texas hold'em, heads up in a hand at a full table of 10, after the turn I made a large bet and he folded. He flipped his cards up and showed the table. I took a quick peek at my hand and tossed the cards forward face down. Apparently the guy next to me (who was the one who folded) caught a glance and reacted because he had folded the better hand. A couple others at the table quickly called the dealer to "roll those cards" and he did so before I could object.
Is this a rule? If I show (inadvertently or even on purpose) my table neighbor my hole cards does everyone at the table have a right to seeing it?
Hope that makes sense. Thanks in advance!