We do not know it!!! All what we know that OP has stopped writing after 25 minutes, we do not know why, could be uncouncious ( i really hope he was) or could be in such pain that was unable to write. Also SI could kick in and he could call emergency services or start screaming. We do not know. Even the cases with phonecall are unclear, even with webcam witness said it did not looked peaceful or painless. Pain is natural reaction when is something wrong with your body. SI is natural reaction. Viomating is natural reaction. Body and brain will do everything to stay alive. He did not take any AE any benzos, but even with them it is not a simple way to go.... I know we are all looking for same, but there is no magic button to switch life off. Suffering is part of life, it is shit, i know, it is unfair, i know. But it is what it is.