Give less of a shit of what your peers will think of you, do your own thing as much as you're able. And also read leftist shit, be it Marx or Goldman, that will make you a better person overall.

Get out and make friends. Yes I know it gets harder as you get older, but it’s often the difference between dying alone and demented young and sticking around and finding happiness until your body gives out.

Also, remember your grandparents and parents from time to time after they’re gone. It hurts but it’s good for you.

I don't know if it's even possible anymore (heck it's hard for me at 40), but try to put something in retirement funds. If your work as a 401k, try and contribute. If you leave the job, your money can then go to an IRA. How do you do that? Beats me - I have five or six requirement accounts, each topping out at around between $2-5k.

Also, brush your teeth and if you grind them in your sleep - get a dentist to fit you for a mouth guard.

Edit: wow, down votes for teeth health.

Edit edit: reading comprehension isn't my strong suite.