I figured it was him when he started talking to Michael. Doubt it was significant though, just to keep you guessing.

I wish people would stop punching Sawyer though!

__________________
I see your fantasy... you want to make it a reality

Are you in the mood to be subdued

You see these shackles
Baby I’m your slave
I’ll let you whip me if I misbehave

Tie me to the bedpost

I like it rough
cause I'd rather feel pain than nothing at all