They don’t sit still for a minute. Grandsons #1 and #3 are 7 and 5. From the minute I see them, all I hear is, “I’m taller than you. No. I’m taller than you.” Or “I can run faster than you. No. I can run faster than you.” And this goes on and on. Until of course the claim that cannot be disputed comes up…”I’m older than you”. However, competition is at its peak when they’re at a bike park. Everything #1 does, has to be challenged and tried by #3. And so up and down hills and valleys and bumps they go until their little legs are finally tired…