The age-old mystery of why men’s and women’s shirt buttons are on opposite sides has sparked curiosity among shoppers, leading to a discussion on Reddit‘s No Stupid Questions thread.

Buttonholes were invented in the 13th century and by the 14th century, buttons had become a symbol of affluence, according to Encyclopedia Britanica. The site states: “The wearing of gold, silver, and ivory buttons was an indication of wealth and rank.”

However, the twist came with the fashion habits of the elite….