Random thoughts about the series
When Dave and June got married, their apartment was very modest and about what you'd expect young newlyweds just starting out to have. Whereas Rick and Kris lived in a very expensively furnished house.
Everyone should have been quite overweight with all the milkshakes and sodas consumed at the Malt Shop.
Why did the boys share a room growing up? A house that size would have four bedrooms at least.