It is rude to second guess medical professionals.
Tim's doctor wants him to wear a mask because he should partake in stopping the spread of a virus.
Tim has to decide whether to wear a mask.
Tim decides to wear a mask since he thinks it's the least he can do.
Tim doesn't wear a mask because he doesn't want to overreact.
Tim's doctor feels proud of him, and others respect him more.
Tim's doctor is disappointed with him, and others look at Tim with despise.