Selfies can make your face — especially your nose — look about 30% larger than it really is because of the way phone camera lenses distort close-up objects. read more
Your face looks large in selfies because most camera selfie camera use a wide angle lens to capture the face which will generally be just a couple of feet away. Wide angle lenses tend to do optical distortion making things appear unflatteringly wider than they are to a more normal perspective. read more
I'm just saying that selfies give us plenty of opportunities to look, well, not-how-we-really-look. With a simple twist of my head in the second image here, the chunkiness of my face is more apparent than in a straighter-facing shot. read more