> The most important part (in what the kids today would call "my lived experience") is to push yourself hard, sweat a lot, and do it at least 3 or 4 times a we

> The most important part (in what the kids today would call "my lived experience") is to push yourself hard, sweat a lot, and do it at least 3 or 4 times a week. I wouldn't even say you need to push yourself hard. Getting yourself into 120-150 bpm for 30-60 minutes 3x per week will get you most of the benefits.