He didn't run off stage, no, he didn't do the sensible thing. He had to throw up on stage for attention, show all his fans he was trying his "hardest" because they would never have known that if he didn't. Its this **** that makes me dislike justin bieber more and more.
Some ppl stay doing the most, if this was Gaga, Riri or another pop star, they'd be like omg poor ha, hopefully she's fine, she didn't have time to run back, etc but since it's Justin, let's drag him