Join Date: Mar 2012
Location: Whidbey Island Washington
I don't think that keeping the horse that fits you now resigns you to staying at the weight you're at. It doesn't matter what horse you ride, you always feel that you look better when you're slimmer (at least, I do!).
Try thinking of it like this: You buy a wedding dress 4 sizes too small, intending to go on a massive diet. Life gets in the way, surgery means no exercise, etc. Not only do you feel bad because you can't wear the dress you spent so much money on, now you have to buy a new dress. But if you buy a dress that fits you now, and you lose a bunch of weight, you're still going to look fantastic because the money you already planned to invest in your tailoring is going to make the dress fit you like a glove!
So the horse that fits you now, will fit you just as well, and have the training you already planned to invest in if you lose the weight. No guilt if you don't, because the horse will fit you better after the trainer, regardless of your size.