Elizabeth Warren

Never be so faithful to your plan that you are unwilling to consider the unexpected. Never be so faithful to your plan that you are unwilling to entertain the improbable opportunity that comes looking for you.

Self-indulgence is something to watch, but anything that helps you understand situations that are difficult to understand is good. If you're having some sort of emotional trauma, you need to find a person to talk to about it who says, 'This is quite normal; it's fine.'