I am an INFJ and so it's very interesting to see who else is. I also love that Daniel Day Lewis is too! Chances are, your personality is similar to one of the sixteen types defined by Carl Jung and Isabel Briggs Myers.
When someone is going through a storm, your silent presence is more powerful than a million empty words. Even if you don't feel like going - fill a chair, go to a meeting - you will help your fellows just by being there!
Note to self: Treat yourself the way you would treat a small child. Feed yourself healthy food & make sure you spend time outside. Put yourself to bed early. Let yourself take naps, Don't say mean things to yourself. Don't put yourself in danger.