Before Kelsey Grammer starred as Dr. Frasier Crane on the aptly-titled Frasier for 11 seasons, he shined as the character for eight seasons on Cheers, with both those shows, as well as the Frasier revival,

The former "Cheers" star told the New York Post his estrangement began when he was "going through a lot of self-doubt; self-loathing,” and "drinking a lot."