I know people who prepare their roles in such a way that they technically look ahead and memorize their gestures, and then they stick to it. Those that are technically proficient enough can make it seem natural, but they do that and don't really take in what other people are doing.
Viggo MortensenIn a way, editing is not unlike the movies. The best books, just like the best movies, are a collaboration. They're only as good as the compromise made between the artists involved.
Viggo Mortensen