There is a reason that most couples today do not have a significant age difference. Consider that over the last one hundred years, the average age difference between married couples is 3.5 years.
The Colorado River begins in north central Colorado and ends at the Gulf of California. The river is chiefly supplied by snow melting in the Rocky Mountains and passes through seven U.S. states and part of Mexico. Continue Reading.
The Colorado River has always flowed into the Gulf of California / Sea of Cortez between the Baja Peninsula and the rest of Mexico. It *never* flowed to the Gulf of Mexico. It never flowed east in any significant way at all. Also, look at a plain old topographic map.