I echo the idea of doing it at the same time - I try to eat breakfast, but don't start in on my water before I weigh in. Last Thursday I couldn't get there til after lunch and I was tempted to just skip it because I knew I'd weigh more than I really did. I went ahead though and didn't see any loss even though I knew I was down at least another lb.
It's hard to wear the same clothes everytime since I started in the winter and the weather is getting warmer. I definitely don't wear jeans! One of my pairs weighs 3 lbs!!! I just usually wear lightweight workout pants and a t-shirt.
I had a moment last week, though, when I was heading in when I wondered if I was just playing some kind of game. It bothered me. I wondered if I was just trying to manipulate things so MRC would be happy with me. The truth is, I need to be happy with myself! They're there to help me - not to judge me or assess me. Then it occurred to me that they're not judging me - I'm judging myself. It was a good moment of insight for me.