ahahah members of this forum make the best scenarios. He's probably realized he's not a college student and can't party all night or keep up with Jas's energy. Telling Jas lets go home its late, Tejo will be worried and Jas would be like oh ho your always thinking about Tejo when with me. So he's dragging his feet, thinking about Tejo. That's how they keep showing him, with Jas body wise, mind with Tejo
And which engagement party lets other couples take center stage and dance at their event...this looks like a high school prom event!