When people have developed to grow. Usually we are interested that I know. Love, love, love, love the first wairian a friend. Love your parents, or even secretly loved all this is love love is perfectly fulfill with pleasure and with the disappointment of what we called a single.
When people develop more normally, we do know that love love love school age, I love my parents, or even love all of this is love, unrequited love, so happy and disappointed. That was the cause of what we call single.
When people grow up normally development we are interested in the know love, like love love love love school parents or even I love. All this is love, there is a hope, love each other happily and have disappointed.Single.