Being seeing this girl I knew from school. Long story, we are seeing each other and stay over frequently. As a runner, am finding it hard to balance running and sex, although I'm very fit and have loads of stamina for both as I want to do a run before I expend energy in the bedroom and when I do, don't feel as willing to push myself hard on the run.
She does run a little, not my distances and speed, but she's quite fit and slim, does gym more. therefore not requires my energy output which I use. Also shes Veggie and I've gone that way, as she doesn't want anyone inside of her that eats animal products.