Worry
Life in a family also brings worry and nervousness, etc., in its trail. Worry is indeed reserved for humanity and not for animals. Really, that is a great justice and favour for humanity from Divinity. Why so? Because, it is a part of wisdom that takes a man to a higher sphere.
Taken from the book "Complete Works of Ram Chandra, Vol. 3 (1997; 1st Indian edn., 1999)", Chapter "Message At Bangalore", pg. 417, by Babuji Maharaj