Dolly Parton and her late husband, Carl Dean, kept their life together as private as they possibly could, but a new report sheds some light on his final days — and a promise she made him on his deathbed.

Dolly Parton announced that she was retiring from touring to spend more time at home with her husband, Carl Dean. “They were in love until the very end,” says a friend of the couple. “They gave each other exactly what the other needed.