Wow, he could be Bessie's brother. I know it isn't any healthier but I always did prefer a fat horse to a skinny one. There is an old saying that fat looks good on everything but a human. LOL.
Always remember that feeling of looking at a big, open country over the ears of a good horse, seeing a new trail unwind ahead of you, and that ever-spectacular view from the top of the ridge!!! Follow my training blog: http://robertsontraining.blogspot.com/