Bethy is absolutely right -- Jeff IS a "genus." And smart too.
Okay, so Jeff you poked holes in my logical reasons to weigh every day. I'll fall back on my blatant OCD issues to explain why I do it. If I do not wiegh but once a week, I KNOW ME, I'll do what I want early in the week and "cram for the exam" by extreme non-eating the few days before weigh in. And when that becomes a pain in the ass, I'll just stop weighing so I can eat all the time.
No, this approach works for me. I may fuss and fume here about it, but I know there are daily variations and am less concerned about them than my rants suggest. But I DO wish I was not sitting at the same weight as when I began P2!!!!!