I think it's better to have your personal life and your work life separate. That way they don't corrupt each other, so to speak.
I got rid of my glasses and they changed my hair. That's really all they did. They went shopping for me, so the clothes are different too. It wasn't like Extreme Makeover where I got a nose job or anything.
No, the seventies was a totally different sensibility and that allowed us to break new ground as a cop show.