You and dean had been best friends since childhood. As kids the two of you would spend time together. One night the two of you as kids were laying on deans bed, the song "on the floor" by Jennifer Lopez playing in the background, the chorus now playing. You suddenly had an idea. "hey Dean.. Could you promise me something?" you asked. Dean smiled "sure what is it?" he asked. " if you are ever in danger sing this song. Promise?" you asked. Dean smiled holding up his pinky finger. "promise" he said with a smile.

*years later *

You and dean now grown up reunite and spend time together. During that time you fell for Dean but you couldnt be with him because   he was dating castiel. "hey Dean.. How are you and castiel?" you asked with a smile. "we are going strong. Right baby?" castiel says with a smile. Dean nodded "y..yeah" he said with a smile. "anyways I have to go. See you later" you say to Dean. you turn to leave, walking to the door. Then you hear it. Dean singing.

"La la la la la la la la la la la la la la
Tonight we gon' be it on the floor" dean sang  You recognize the song. It was "on the floor" by Jennifer Lopez. The song Dean promised to sing if he was in danger. You turn around just in time to hear castiel yell "WHAT DID YOU DO?!" to Dean. Deans eyes were full of fear

What do you do?