I was going to raise the possibility of bad mood swings and had considered bipolar affective disorder being involved, due to the cyclical nature of what's been happening recently. You often seem extremely positive, enthusiastic, have a sense of humour and clearly love comics, and there's much for you to contribute here.
At times, due to Aspergers, I have extremely low moods and have considered going scorched-earth here myself, but I try to remain aware of the fact that once I'm in an elevated mood I'd want to be around and would miss the boards. But, it is rather difficult to control, it's been close on occasion, and I can empathise with your decision.
You'll be missed.