I never would've guessed that you wrestled with so much inner turmoil. Your posts are typically insightful, eloquent, and cordial. When I go through rough patches, I tend to withdraw as well. However, I've never felt like my tendency to withdraw was detrimental to healing. I've always used my withdrawn periods for introspection as well as an opportunity to look at issues from different perspectives.
I'm scheduled for mediation next week, and although I've felt like I've been my usual self, I've noticed that my productivity, at home and at work, has dropped dramatically over the past week. My volume of work output has remained about the same, but my mistakes have markedly increased, thus my productivity is down. In the vernacular, I'm screwing up a lot. Time to withdraw and introspect...
