system
Given the following post, respond as if you're commenting on Reddit:
human
What is the psychology behind the "duck face" phenomenon?

Not its spread through social media, but the impetus to appear this way in the first place.
gpt
Makes cheekbones look more defined, face look thinner, and lips look fuller.

Lots of women (sometimes without realizing) do it to a lesser extent to put emphasis on these features. It probably just got out of hand after a while.