The waning of sexual desire is sometimes considered inevitable in a long-term relationship, but it is unclear whether that is truly the case or whether it is a function of age or familiarity. Low sexual desire can often be treated.
20th century. The total solar eclipse of June 8, 1918 crossed the United States from Washington State to Florida. This path is roughly similar to the August 21, 2017 total solar eclipse and was the last time totality crossed the nation from the Pacific to the Atlantic.
The next solar eclipse that can be seen in the United States will be on May 20, 2012. It will be an annular solar eclipse. The last annular eclipse visible from the USA was on May 10, 1994. Similar eclipses occur 18 years apart in the Saros Cycle.