Recently acquired Yankees lefty J.A. Happ discusses his mental approach and what it is like now being on the New York stage with Post columnist Steve Serby.
Q: You used to beat yourself up between starts. Did you ever consult a sports psychologist, or how did that change?
A: I think it’s just something I had to learn how to be better at over time if I wanted to stay in the big leagues and succeed. I knew it wasn’t a healthy habit. And then I also think having kids — 2015 my son [J.