If women feel they are able to go from partner to partner without feeling emotionally invested and ultimately hurt, they should go for it.
I don't keep a journal.
With physical prep work, you know if you go to the gym, you will get size. There's no chance it won't happen. The emotional prep work is a variable. You could step onto the set one day and have a disconnect with your thoughts and feelings and have a rough day acting because you can't quite tap into what you need.
There was a little less pressure to be fit on 'The Avengers' than 'Captain America.' I had just finished 'Captain America,' so I was already built. Plus, 'Captain America' has that one scene dramatic scene where my transformation is revealed. 'The Avengers' has not one shirtless scene.