With any mannerisms or ...

With any mannerisms or dialogue, you have to be careful you're not just serving yourself. What happens with improving is a lot of times, if you're not in the framework of the script, you're just making everything easier so it fits you. It's much more interesting and challenging to go to it, rather than it coming to you.
 Ray Liotta

Quotes from the same author

Man, I did love this game. I'd have played for food money... I used to love traveling on the trains from town to town. The hotels... brass spittoons in the lobbies, brass beds in the rooms. It was the crowd, rising to their feet when the ball was hit deep. Shoot, I'd play for nothing!
 Ray Liotta
I think that if you can achieve a balance, then you appease a lot of yourself and your career and what it takes to maintain in this business for a while
 Ray Liotta
As far back as I can remember, I always wanted to be a gangster.
 Ray Liotta
If you start acting and you start thinking about and worrying about what other people are going to say about it, you'll never really fully commit to who it is and what it is that you're playing.
 Ray Liotta