Be silent if you don't like the food. Its Sunnah. Islam
Laugh, play and joke with your wife. Its Sunnah. Islam.
Sunnah - sleep on your right side and with wuhdu. Islam
It's sunnah :)
The Messenger r said, "The best of your dates are Berny dates, they take out disease and there is no disease in them." [Saheehah (4/459, 460,461)].