One of the main things that makes any society to function smoothly are the laws that each of the citizens have to follow and abide by. Most of the times, these laws safeguard the basic human rights of the citizens as well as stops them from hurting or damaging the rights of another.
But all around the world there are laws that are not just weird but are outright crazy. For example, in Afghanistan, the Taliban militia, order women against wearing white socks, since they held the opinion that men might find them attractive.
In Japan, obesity if illegal and as such every man over the age of 40 has to have a waist that measures less than 80 cm or less while for the women over 40, 90 cm is the limit.