On 'The Ellen DeGeneres Show' (weekdays, syndicated), Kirstie Alley of 'Dancing With the Stars' started to explain a key lesson she's learned about relationships. But, Ellen DeGeneres was so taken aback that Alley never had a chance to finish.

"Here's my big revelation. I decided that, in the best of times, you have two hours of sex a day. So, you have 22 hours left ..." said Alley.

"Whoa!" interrupted Ellen DeGeneres. "What?! Two hours a day?!"

"Not enough? How many hours do you guys have?" Alley asked the audience.

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