Hott guy at gym how to approach without drama?

[Dee]

Hott guy at gym with his friends- my ex were still friends goes to the gym with me he pays my membership because I can't transfer off for another few months. I don't want to step on my exs toes but how do I figure out this guys deal and find him on fb so we can talk without gym drama lol~~ some of his friends on facebook that are trainers at the gym that requested me but i dont want to be that creeper saying hey whos that guy.... hes really hott lol

[Cupid]

Just start a casual conversation and in some point of the conversation say you want to talk to him more again and exchange Facebooks.