Perry, thanks for sharing your story! I have been McDougalling for about the same length of time as you - 3 1/2 years - although I was somewhat plant based (misguided) for 8 1/2 years prior to McDougalling. I mistakenly thought that consuming oil (especially olive oil and other "good fats") was good for me, as well as consuming wild salmon, a bit of low fat organic dairy, and I was also consuming vegan junk food such as "organic whole grain tortilla chips" etc.
Like you, I can't imagine eating any other way than the way I do now. It's been a brutal winter where I live as well (border of Ontario, CA and Michigan) and even though we've had a lot of snow this year that stayed on the ground, it was too cold and windy for me most of the time to do the same amount of outdoor exercise as I usually do, but, like you, I've been able to maintain my weight within a couple of pounds.
Hopefully spring will be coming soon! We actually received a few inches of snow yesterday and although it's a sunny day today and mild enough for some good cross country skiing, I'm getting really tired of seeing all this snow. Luckily, I'm headed to Florida next week for a couple of weeks so will be able to get a fix of bicycling, yoga and jogging on the beach, and replenishing my vitamin D stores!
Marcella