I did not have the most successful holiday season diet wise. But I'm not going crazy over it. I'm also not too upset over my lack of progress since getting to the -100 mark.
Why? Because even now, after gaining some pounds back over the holidays I know that I am in better shape than I have been in my entire adult life. See above, that's me when I was a senior in high school - noticeably bigger than I am now. I also know that I have the tools and drive to be able to lose the holiday weight plus that last 50ish pounds to reach my goal weight.
It is going to happen.