No, that's the thing: it won't. You can't detect the lack of oxygen, only the buildup of carbon dioxide. You just get tired and pass out, it takes about two mi

No, that's the thing: it won't. You can't detect the lack of oxygen, only the buildup of carbon dioxide. You just get tired and pass out, it takes about two minutes. There's no panic. If I'm ready to log off because my life has become weakness and pain, I'm not going to chicken out. But I'm not afraid of death, it's the dying I'm not so stoked about.