Gym Etiquette - What NOT to Do at the Gym

Whether you've been a member of a gym for five years or five days' the rules still apply to everyone/ Rules? What rules' you ask? Being able to utilize your gym membership to your best potential -- and not offend anyone in the process -- requires some guidelines you should follow/ Sure' you know not to leave your towels laying around' or to not spit on the track (I hope)/ But there are other simple "social" rules of the gym that you may be violating.