Mandy would deliberate whether to go or not. Bars weren't her scene, but Serena would probably end up dragging her anyway. She was closer to Michael.
Michael gave Terry this 'I know you do' kind of look as Mandy stood away, her back to him. Then he wriggled his eyebrows suggesting that he was the greatest person ever.
Giving another indignant 'tch' sound, this time a bit more light-hearted, Mandy shook her head, "I hope not."
"Well, I hope you two have fun doing...whatever it is you're going to do." She added, making her exit apparent.