Pros and cons of wearing a mask

Up side of wearing a well-fitted, (K)N95/P2 mask: your likelihood of contacting COVID-19 in an indoor setting is greatly reduced.

Down side of wearing a well-fitted, (K)N95/P2 mask:

Close-up selfie of a man’s face. On the man's cheek and nose are reddened indentations made by the straps of a tightly fitted faced mask. The man is sitting inside a car.