Kelsey Grammer revealed what he thinks is the origin of his 30-year falling-out with "Cheers" co-star Ted Danson after reconciling last fall.

Former Cheers co-stars Kelsey Grammer and Ted Danson recently made headlines when they publicly mended their friendship after almost 30 years of not being on speaking terms. Now, Grammer has finally shared some details about what led to their argument, noting he was at a difficult point in his life at that time.

Dr. Crane’s clarifying. In October, Kelsey Grammer and Ted Danson reflected on their days at the Bull & Finch Pub — revealing that they had a falling out and didn’t speak for nearly 30 years. Now, Grammer is clarifying what actually went down between the two.