10. The treadmill is to you what that chocolate cake was to the boy in Matilda: you may dislike every single second you’re strapped to that contraption, but damn it if you’re not going to do it anyway.
17. Getting the little nod of approval from a runner heading in the opposite direction is enough to make you feel as if you’re floating.
21. There will always be that one song you rely on to pump you up like no other.Check out the full list here.