You may be onto something because my SIL looked horrified when she used our guest bathroom the first time & was accosted by her nasty pores and back fat -- besides a full-length mirror and the regular mirrors over the vanity sinks we also have strategically placed lighted magnifying mirrors for my hub to shave closely by the shower and another for me to check my face/eyebrow pruning, etc.  Anway she admitted that she doesn't check her backside anymore and seemed amazed that I actually want to see my own facial pores and décolletage close-up when I'm getting ready & don't have time to go upstairs to use our en suite bathroom.    It's also funny because she wears kabuki-level make-up and contours in faux cheek bones even when she doesn't leave the house.  The delusion is real.