It was the only time in my life when I wasn’t chronically lonely and miserable, actually.
Not sustainable, though [1]. And there was plenty of drama and damage along the way; not everyone I knew made it through alive.
[1] At the peak of it, I dropped a third of my body weight in six months (got down to about 45kg). Regularly hitting 100+ hours of continuous sleep deprivation ain’t too healthy, either.