I'd liek to second frozenveg.
While getting more active and moving, st least as bit, will help, it's mostly the diet that will help you boost weight loss.
As you have been to Santa Rosa, you know everything you need and more to do what you have to to lose all you need or want.
Sometimes when I want to boost my motivation, I just watch a video of one of the classic doctors and experts on Youtube, like Dr McDougall, Alan Goldhammer, Esselstyn, Lisle and all those wonderful and helpful people
Just keep going, you can do it!
Stay hungry, stay foolish (Steve Jobs)
But stay hungry for life, not for the wrong foods.
From 220 lbs to 143