MDMA Binge

So I'm just venting here, last weekend I watched several of my friends consume roughly 12-15g of MDMA over three days at a small music festival. It was not pretty no one really knew what they were doing when it came to dosage and were led into instuffating huge amounts day after day by their dealer "friend" who was pressuring everyone to join his binge.

I avoided everyone after the Thursday night when it started because they were judging me for not sharing my own stash when I had brought a g purely to split between the 6 of us but ended up only dropping an 80mg bomb on Saturday which they all thought was a hilariously small dose.

After I dropped and went to see the only band we came to the festival for I returned back to the other guys room which was totally trashed by this point. I sat chilling with my girlfriend and two of the more sensible bingers who I didn't know that well but MDMA was quickly fixing that. Things were going well and the vibe was chilled af, that is until the other guys arrived back, they had obviously been going HARD all weekend. By this point you could see plainly that they had stopped enjoying the festival and all had this soulless empty tired look. I tried to get my friends to get away from the crack den vibe of the room and come back to mine to play some smash bros melee and chill into the early hours. They refused and went back to doing more lines of MDMA. I left along with my girlfriend and watched malcolm in the middle for hours while thinking how I failed my friends for letting them do that to themselves.

This post may be completely pointless but I just wanted to vent. I tried to warn them but no one would listen, they all regret the binge and I worry they have done permanent damage.

Anyone got a clue on what kind of damage 1g of MDMA daily for three days would do?