I opened up my email today and saw a question from a person looking for advice. “My dog is six months old and he’s starting to get aggressive. Do you think he’ll grow out of it?” My very frank response was “No, he’ll probably grow into it.” My experience suggests that he’ll start to do …

Today I want to talk to you about pain—because I’m in it! Here’s a little context. Earlier this year, in the spring, I realized I needed to get to the gym. When I was a teenage, I really enjoyed lifting weight. Then life happened. I got busy jobs and eventually started my own company, and …