oh hey, I must be the other guy

Can you link a model supporting your statement? I wasn’t able to turn anything up showing a predicted population decline from 10 billion go 1 billion.

Look into mask tape, it’s double-sided tape that goes along the inside bridge of the mask. I buy a pack of 100 strips on amazon and it lasts me a couple months. Cheap and easy and completely solves that issue.

Ana Diaz does a pretty good job of explaining it here