The Frasier Files

Separation anxiety

A psychological condition in which an individual experiences anxiety about being separated from people to whom they are emotionally attached.

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Appearance

Mentioned once in Cheerful Goodbyes.

Cheerful Goodbyes

Season 9 · Episode 21 · S09E21

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it's entirely possible that your friends are suffering from a kind of separation anxiety. They may find it difficult to admit to themselves that you are actually leaving.
Frasier

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