If listened to by a man, will it cause big female-style nipples, such as:
http://www.bigtitshq.com/05-big-nipples.jpg
or more puffy male-like nipples:
http://www.plasticsurgery4u.com/gynecomastia_gallery/p7ssm_img_1/fullsize/puffy_nipples_men_40_fs_fs.jpg (left of course ;P)