Start running.

If you’re able to run 3-5 miles daily, that’s good.

Then, Viagra/Cialis

Take it easy during the sex. Your keep your cardio exertion to a “talking” level – breathe heavy but able to talk. Take your time and fuck like a viking for hours

Uprooting trees and shrubs and flowers.

Treat it like a marathon. Hydration, lubrication, do a good warm-up, carboload the night before but skip a meal the day of. If you shit yourself or vomit, just keep going.

And ed meds. That thing gets tired of standing after a while and needs a little pick-me-up, if you know what I mean.

Drink water? Electrolytes?

Invent some games or challenges you can play. Keep it fun.

Judicious use of toys.

Lots of lube. And towels.