Carrying out the thing, getting it to the point when one might say: There, now it is good - that point is hard to reach. Often, one sets very high goals for oneself. Perhaps too high.
I think I was first choice for the part. I don't know - that's what they always tell you anyway. I didn't have to do any audition for the part. Sam saw me in Dinner and the whole thing slipped into place.
It's like when you want to make a house... the technique is very important.