As long as person doesn't appear to be indangering themselves with excess weight loss, people should either mind their own business or be happy for you.
When it comes to fitness and/or weight-loss, support is hard to come by, unless it comes from someone else who is(has) losing weight or has become fit.
Friends and family who need to lose some weight will quite often react to your weight-loss in not supportive ways. Your weight-loss can be a threat to them. Losing weight is very difficult for most people, and when they see that you're doing it, it reminds them of the fact that they just cannot seem to lose weight.
If you exercise on a consistent basis(ie 3 or 4 times a week), people you know who cannot get off the couch will make certain comments about how much you exercise. How all you do is exercise; You must live in the gym; I don't have to time to exercise like you; etc...
The concept of sitting in front of the tv for the entire evening is a relatively new concept(50 years). The human body wasn't designed to sit around most of the time, so it makes me laugh when people frown on people who work out.
In a perfect world, I wouldn't have to watch what I eat or workout. But in our modern world of giant portions, convenience stores, tv, automobiles, etc... watching what I eat and working out becomes a reality if I want to be reasonbly healthy.
Sorry that I'm ranting a bit
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The smaller size is just like the large size, sooner or later there is no more left.
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WHY CAN'T PEOPLE BE HAPPY FOR YOU WHEN YOU LOSS WEIGHT 
