Wong Kar Wai is a very intense character, very personable, and I believe in general he does not like and he would not want his actors to show their true looks and their true personality on screen.
Don't wait. If it's not right, move on.
Unfortunately, I don't have much free time
Now I do bowling, golf, and tennis. I want to be a good bowler.
Before you do anything, you need to know if it's right or wrong.
The more you do, the more experience you have and the next time it will be easier to choose the right thing.