(For street fights, if you think you might get in one, it seems like buying pepper spray and carrying it everywhere would be cheaper, take less time, and be more effective in a fight (in terms of disabling someone easily while also not going too far and actually hurting them).)
That and sprints, since they’re good for lots of other health reasons anyway. The lowered status and accompanying stress from running away is more than made up for in not-dying.
(For street fights, if you think you might get in one, it seems like buying pepper spray and carrying it everywhere would be cheaper, take less time, and be more effective in a fight (in terms of disabling someone easily while also not going too far and actually hurting them).)
That and sprints, since they’re good for lots of other health reasons anyway. The lowered status and accompanying stress from running away is more than made up for in not-dying.