Redditor Wants To Know "AITA" For Telling Mom's Boyfriend He's Not "Grandpa"

Georgijevic/E+/Getty ImagesAs divorce became more common in the latter half of the 20th century, families began to look different, particularly as they grew over generations. Suddenly, the “four grandparent” paradigm that dominated most of modern history shifted. My kids, for example, have four grandfathers — biological and step — and three grandmothers. It’s lovely to know that family can be defined far beyond blood... but that doesn’t mean these dynamics don’t get complicated sometimes. Take a recent post on Reddit’s Am I The Assh*le board, where u/Puzzleheaded_Fee_541 (we’ll call them Puzzl