I lit up a cigar - a Perla Habana (meh) - and on the first puff accidentally retrohaled a nice amount of smoke. I typically keep retrohaling to a minimum. It was almost painful. This doesn't happen with pipes. My fault I guess, but it is unpleasant and I worry about messing up my sinuses. I really don't understand how some people regularly retrohale strong/spicy cigars. Anyone else have this problem? Another reason why I keep cigar smoking to a minimum.