Actually, variations of this topic have discussed in other forums like the relationships,jealousy, and discrimination section, and meet & greet.
You'll have to look past the first couple pages to find them.
But in all seriousness, lockerroom experiences can be trying, in particular if you work out in a gym reputed for being hardcore beefers who think they can presumptuously can take liberties if they happen to see you in all your glory. Fortunately, I know some martial arts, and I've had this attempted twice; one guy pissed blood, and the other went to the dentist for maxillofacial surgery.