they do it to feel beautiful for their little selfie sessions, that shit probably wears down after one or two days because seriously, how long will fake nails survive an onslaught of greasy food stuck at the foundation, then they look like shit on their next selfies and then the cycle starts again. a  thin woman only needs a little makeup to look good, these fats are trying to mimic that by caking layers upon layers and it still doesn't look right.