According to Business Insider, humans supposedly "peak" at certain things at very specific ages in life. For true happiness, that happens twice.
The first time a person reaches life satisfaction is at age 23, when you're supposedly beginning your "adult life...
"If you're not a liberal at twenty, you have no heart. If you're not a conservative at forty, you have no brain." Winston Churchill's famous saying implies that as some people go through life, their political views change as they grow older...