Today at work, I was on my break and eating my dinner. A regular customer who comes in every day walked past, stopped in front of my table and said 'always eating when I see you, I swear your getting fatter by the minute!'
Now, yes he's a regular and knows my name, but apart from that he doesn't know me from Eve, I am very overweight definitely.. But I do not need an elderly man to point this out to me and pass judgement on my eating habits! I guess it's a good job I'm relatively thick skinned, that being said to someone more sensitive could have caused a multitude of problems 
Thinking back there's many many things I could have said, what I actually did was just fake a laugh and turn back to eating my dinner. I was actually a little shocked that people say things like this to people they don't know..!