While "creeping" can be a sign of Single Track Behavior™, "Creeping" can sometimes be mistaken for guests who go on "perv walks". Being a voyeur is encourage provided it is done respectfully
Single Track Behavior™ can come in various forms, so be aware of anyone who appears to be overly aggressive about having sex, or tries to insert themselves, without consent, into encounters that are already underway.
Report any behavior that seems potentially unsafe and a supervisor will make an assessment and determination.