David Lemmer. Professional athlete. Astronaut. Brain Surgeon. Those are all titles I’ve decided to drop due to my overwhelming list of qualifications which makes them seem small. I’m actually a stunt man for blockbuster films and a dog sport trainer by day and a Michelin-star restaurant chef at night. At some point in my life I looked at a friend who believed he’s best at everything. I was 16 or 17 at the time, I realized that the one thing he wasn’t good at was knowing …