Kids can for sure be brutally honest. One of the reasons that I finally decided to do something about my weight (other than the serious health problems that I was having) is that my 1st grade daughter came home from school crying because some of the kids were teasing her saying her mom was a fat hippo. At 5' 3" weighing 260 lbs, I had to agree with their assessment (cruel as it was). It also gave me a good chance to have a long talk with my daughter (after I got done crying) about how what a person looks like on the outside isn't nearly as important as the kind of person that they are. Beauty is only skin deep, but mean goes all the way to the bone! It's wonderful that one of your students noticed your weight loss and made a POSITIVE comment about it..that must feel WAY good!