You have to come in and be that character when you walk into the room. That's what one of my first acting teachers taught me. You know don't go in there being Jennifer and then expect to flip and change because they're not going to have that imagination.
Babies don't need a vacation but I still see them at the beach... it pisses me off! I'll go over to a little baby and say 'What are you doing here? You haven't worked a day in your life!'