In my original reply to Dale, I noted that he was wearing a thin jersey t-shirt, which revealed the outline of his nipple (a well-known erogenous zone, even for men). The t-shirt, of course, was once considered underwear.

Lewis points out something interesting here: modesty has to be understood within the matter of context. A woman in the Pacific Islands, he notes, can be modest while wearing barely any clothes, while a Victorian woman will have different standards for the same idea.

Regarding behavior, there's a chapter on sexual morality that begins with one of the least popular Christian virtues: modesty. Here's what CS Lewis had to say:

Let's first visit the excerpts.

Adapted from a series of BBC radio talks he delivered during the last few years of the Second World War, CS Lewis's Mere Christianity (1952) touches on some big topics — the meaning of the universe, Christians beliefs, and what is considered proper Christian behavior

PoI-TILDEL is an uncontained reality warper. Untransitioned cisgender males who come into eye contact with the POI experience a Code Pink Event. They experience a retroactive change where they began transitioning about 18 months prior to the time of contact.