I did DXM for my second time last night. I bought a 750mg bottle with a friend and we both chugged. I think I downed about 500 before I absolutely could not stand another drop, and once again blew it out everywhere. I felt good again after I puked though, but i sure wish that didn't happen. It's unbearable and makes me never want to do this again even though i love the effects. But we both did feel great, and smoking afterwards put us in heaven. Overall a good experience but i hate puking.