Charlie Conspiracy (Always Sunny in Philidelphia)

ME WHEN I START EXPLAINING TO MY FIANCÉE HOW THERE IS A GREAT YEAR CYCLE OF DEGENERATION AND VIRTUE, SPANNING TENS OF THOUSANDS OF YEARS, BASED ON THE ZODIAC THAT THE HINDUS ALSO HINTED AT IN THE YUGAS BUT UNFORTUNATELY NO ONE HAS THE EXACT MATH WORKED OUT