I've found this to strangely work (tangentially) with music and intense exercise too. When I accidentally listened to an old gym playlist from 2 years ago at m

I've found this to strangely work (tangentially) with music and intense exercise too. When I accidentally listened to an old gym playlist from 2 years ago at my office desk, I felt a rush of the old determination that used to fuel my HIIT workouts. It was jarring and incredible.