Love received a Bachelor of Arts degree from the University of Denver in 1938 and a Bachelor of Law degree from the University of Denver School of Law in 1941. John Love married Ann Daniels in 1942 and the couple had three children, Dan, Andrew and Rebecca. Rebecca grew up to serve as a justice of the Colorado Supreme Court from 1995 to 2006.
In 1973, John Love resigned the governorship to become the nation's first Director of the Office of Energy Policy (nicknamed the "Energy Czar") in the administration of U.S. PresidentRichard M. Nixon. Lieutenant Governor John David Vanderhoof assumed the office of Governor upon Governor Love's resignation. Love resigned as Director after five months due to the political turmoil in the final days of the Nixon Administration. Love died in Colorado on January 21, 2002, at the age of 85.