Pen and Paper Portal posted an article discussing the merits of taking a break from running games, seeing things from the other side of the screen for awhile, and how it relates to sharpening your skills at running games with the change of perspective.
Personally, I’d say even the reverse is true: I think DMing or GMing actually gives players perspective that becomes invaluable in how better to craft an interesting character and become better involved in the narrative.
After a few failed campaigns my girlfriend said she wanted to try her hand at faking 20’s as a DM. Eventually I caved, after much deliberation (and a party where I burnt my DM screen and threw my dice in the air), and said I would be fine passing the torch. I figured, if nothing else, it would give me the time to play I craved so much. She’s been doing a wonderful job, and given me some of the best D&D sessions I’ve played. However, after nearly a year of her campaigns I’ve realized what I was missing, and why my sessions began to suffer.
Read the rest here at Pen and Paper Portal