But I was still hoping to be able to coach and teach.
I just turned 66, and I'm starting to work again.
I have twin boys, 12, and a daughter, 17.
I had no idea how big the show was at the time we were doing it because I was always working.
I got kind of burned out, so I moved to Florida. I was down there for 10 or 12 years, raising children.
I did a few more plays, and then I went to L.A., because I knew I could get a coaching job there.
I started out wanting to coach football.
Doing a series, every week you work with a new star.
I figured my body always would be able to repair itself. I think all of us believe that - until you begin to age and get hit with deteriorating joints.
Acting is a tough business, and the percentage of people who make it is very low - it's about 1 percent.
Even when I was young, playing college football, and I injured my knee, I bounced right back.
It's being in the right place at the right time and taking advantage of your opportunities.
For 40 years, I put my body through a tremendous amount of work.
Then I got a bad back injury, and they thought I wasn't going to have any feeling in my legs.
The Six Million Dollar Man was one thing, but I wanted to keep my own parts.