What happens when you see a plane suddenly starts taking off from the airport without any pilot or passengers. This incident will be the headline of the newspaper. The security force will rush to the plane being adorned with their equipment.
A friendship encompasses trust, care, and harmony. Whether it be humans, animals, mammals, friendships of all kinds do exist. You have heard cows have best friends and when they are separated from each other, develop negative feelings of loneliness and isolation.