oh my gosh poor Lay, Not even let them go on stage if they are not fine, like this, one thing is to upload on stage tired but other is to upload to a bleeding, we are talking about your health, SM stop with this, please beware of the boys, not have two guys and you don´t pay attention, you can not let Lay sick I could not bear if  Lay leave EXO, SM take care of them are your artists and if you want them to provide 100 % in your presentations, EXO L cannot do anything just watch and not demand for more presentations until they improve  but you SM must take care of them please!!