I see. Seems the issues are hard ones. *hugs* Want to talk about it?
Did you feel better afterwards?
I think a lot of Introverts do live inside their head lol. But living through emotions is probably a different thing. Either one is being very connected with their emotions, or the issues are very strong.
For direct dealing with it, I often.....overthink. Why did I do this or feel that, why the world made this or that to me; what can I do, etc. Not always directly helpful, but..it helps gaining perspective.
For indirect dealing with it, I made stories and draw pictures. You know, the usual way; putting an element of your life inside a story and half-analyze, half-soothe it.
....which, see, it's funny; just yesterday I -almost- had the same thing happened like you; I was imagining things at family dinner at a restaurant and suddenly the emotions just.....filled the brim and I almost wept. It's like, I accidentally put too much connection during that event (and the dinner was...eh, not exactly interesting) so.... yeah.
How does being funny helped you to deal with your problems?