Strainer

Over the next year [after starting testosterone], more subtle changes would start to occur, making me look more and more male. It's virtually impossible to pinpoint the exact structural changes that occur on one's face during transition. I would say that the closest approximation is putting one's facial features through a kind of strainer, where all soft feminine characteristics of your face are slowly sifted away. -- Chaz Bono

So here's my picture from about a year and a half ago, right after I cut off my long hair, and a picture I took just now. I can see that there is some sort of difference (other than my tuft of chin hair and bigger, darker circles under my eyes), but I can't really pinpoint what it is.