60% is my cutoff too, mostly because I tested it once by recording a voice memo with my buds in and playing it back. Sounded like a tiny radio in my pocket, so I dropped to like 50 on the Red Line. The real trick is foam tips, they seal way better and you can hear everything at lower volume.

Old timers sometimes know the floor better than any screen ever will.

Ever seen someone swear off cooking shows, then binge three seasons of chopped after one perfect episode at a friend's dinner party?