(it could be muscle gain?) I know over the summer I was riding a lot, but not eating enough. The week I started eating more appropriately, I promptly put on a couple pounds, but it was muscle, and the ensuing weeks I continued to lose weight. Don't give up!

(of course, in October I stopped riding so much but didn't tone back the diet to compensate. Guess who now has the wrong kind of extra weight to get rid of? Ugh)