Difference between Facebook and Whatsapp Conversation

Difference between "Facebook" and "Whatsapp" conversation :

On "Whatsapp" -
Wife : Kab se wait kar rahi hoon. Ghar kab aa rahe ho?

Husband : Abhi kuchh pataa nahi. Dimaag mat chaato. Jab dekho pareshaan karti rehti ho.

On "FaceBook" -
Wife : Dear when will you be back? You are the best husband in the world. Miss you. Come back soon.
(Status liked by 50 of her friends)

Husband : Thanks for being there always. So lucky to have a wonderful wife like you. Will be back soon honey. (Status liked by 75 friends, including sister-in-law & mother-in-law)😝😝😝