My parent's came from a generation where it was disrespectful to call people older then yourself by their first name. They both grew up with each other, so before being married they were already calling their respective parents by their title and last name, ex. Mr. Gordy.

That's a lil' too formal for being in-laws though, so they bridged the gap, by using only the first letter of the last name, ex. Mr. G. Over time as they all grew closer, they'd use first names and mom and dad, but a lot of times, out of endearment, a Mr. G or Mrs. G would pop out.

Par...