Desperate Housewives Season 4?!

Question: Hey ya guys!
I just watched the last episode of Desperate Housewives season 4, from yesterday and I am breaking my head trying to figure out what Katherine's mystery is!!! Does anyone know and want to spoil the secret with me??
Thoughts are welcome, evidence would be great ;)
Love, Linda

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Answers: Hey ya guys!
I just watched the last episode of Desperate Housewives season 4, from yesterday and I am breaking my head trying to figure out what Katherine's mystery is!!! Does anyone know and want to spoil the secret with me??
Thoughts are welcome, evidence would be great ;)
Love, Linda

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check out spoilerfix.com for some spoilers. they always have updates and are a really reliable source.

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Yes, we would all like to know Katherine's Mystery. Here is an update on the last episode!
http://abc.go.com/primetime/desperate/?p...

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We aren't suppose to know what her secret is yet so no one knows.

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