FM music radio stations play , at most , 13 minutes of commercials per hour , which leaves 47 minutes of music . Hardly playing your claim of ads 50 % of the time . Morning shows play even less commercials , maybe 810 minutes . guy working in FM commercial music radio for 17 years . <| sep |> MY LIFE projects psiblade FOR AUIRR ! !!!!! # AMONNOTAHERO <| sep |> Your eyes are connected to muscles . When the muscles tense , your pupils openget bigger . Edit I have no idea why I ' m being downvoted . From Wikipedia When the sphincter pupillae contract , the iris decreases or constricts the size of the pupil . The dilator pupillae , innervated by sympathetic nerves from the superior cervical ganglion , cause the pupil to dilate when they contract . These muscles are sometimes referred to as intrinsic eye muscles .