11. They Will Always Be Up For A Netflix Date Night
The evening after the weekly long run will always result in the ultimate slob-fest, making a runner the cheapest date around. Queue the PJs, binge on a box set, get a pack of beers in the fridge, and lay out an array of treats that'd put Willy Wonka to shame. One helluva date by anyone's estimation, and no hefty bill at the end.