Typically you put your independent variable on the X axis and the dependent on the Y. It now looks as if the more urgently you need to go, the closer people get to toilets (which, while not linear, will probably also be correct)

It might be the filters in the pump are clogged.

Better use a cipher then for your pen and paper transmission. Invisible ink as well.

I’d say the three day no pooping guy is a celebrity. You know what to do, OP.

Vit D supplements. A lot of Europeans and Americans have deficiency due to limited exposure to sunlight.