I just learned of this myself and I searched the forums and found this thread. What's brought it to my attention is having things that I want to change and not being able to focus long enough to accomplish much. I've compared my story to others on forums devoted to MD:

I Suffer From Maladaptive Daydreaming | Support Group with Personal Stories, Forums and Chat

Wild Minds Network - Where wild minds come to rest

And now looking back I can see how much this influenced my life. All the time spent imagining that others like me for various reasons. Ruminating over and over about past experiences with myself handling it like a competent adult. It's like an addiction where a trigger will send you to your compulsive distraction to avoid experiencing emotional pain that's become blown out of proportion in your mind.

I think if I learn one more new thing about myself my head will explode.