He definitely didn't like this. Even if you and Sam weren't dating, he didn't like other men having their eyes on you. Especially not in this context.

You, Sam, and Dean had been working a case where... strippers were going missing. The three of you were absolutely stumped, so it came down to your last resort... using you as bait.

You had to dress up and dance as one of the strippers so that whatever was attacking them would hopefully lock in on you next.

But even as Sam and Dean were sitting there, watching the stages, Sam was absolutely dreading to see the woman he was absolutely and secretly in love with in this position... he just has to wait for you to enter one of the stages.