Intro to Internal Family Systems Therapy

And make sure you see his video on grief.

Edit: I'm going to give a quick summary of IFS, for those who can't or won't watch the video: don't just accept every notion that pops into your head as the be-all and end-all of wisdom. Question them carefully to see if they coincide with what you really want to do (or say or think).

That inner critic is often the internalized voice of some know-it-all busy-body whom you'd tell to pound sand if they were a real person outside your head. Sadly, it doesn't work to do that to inner voices: you have to find out what they're trying to accomplish and make deals with them.

That's a very quick summary; if that's all you learn about it, you'll likely misunderstand it and/or take off on a bizarre tangent. I'm hoping you'll look more deeply into it.