because he hasn t. i don t regret that at all. some have called it mccarty yooit. . they can call it what they want. romney didn t win, did he? reporter: years later, he asked to meet with mitt romney. shook hands. reporter: why was it important to tie up that loose end? i do that with everybody. reporter: he had fierce loyalty from long-time aides. he often told colleagues he loved them, even in public. i love you, john kerry. reporter: he had a story book romance with his wife, his high school sweetheart. the two converted to mormonism together when they married. she had a pair of levis and i said, man, you just look so good. reporter: that s amazing. but it s true. reporter: in january 2015, reid, a workout addict, who ran numerous marathons, had a brutal