I have now been riding (as an adult) for eighteen months. Until this month I had not had a single encounter with a motorist that could remotely have been called "negative" and not a single dangerous encounter (intentional or otherwise).
For much of that time I have been what would politely called overweight. More recently, I am now (while not thin), no longer larger than normal (aka, not fat). And I have also been encountered greater numbers of dangerous encounters (and even the occasional intentional obnoxious).
Since I don't encounter many cars during my weekday morning rides, I still haven't had a bad encounter on them, but my weekend rides are becoming another thing. It is now a rare weekend ride that I don't encounter a motorist passing closer than needed (three lanes, light traffic, yet still partially in my lane) and I have now had three intentional near collisions caused by motorists...
Since there has been no change in my riding style (or routes) I am thinking that the change in my physical appearance may be a contributory factor.
So do you'll think motorists tend to be nicer (or more forgiving) to overweight cyclists?