Difference between Husband Wife's chat on FB & Whatsapp

Difference between husband wife's chat on fb & whatsapp..

On "whatsapp":
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Wife: ghar kab aa rahe ho...

Husband: pata nahi dimag mat khao..

On "fb wall":
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Wife: dear when will u be back..you are the best husband in the world. aww i miss you so much. come back soon...

Husband: thanks for being there always.. so lucky to have a wonderful wife like you…