It is attachment covered up and decorated with beautiful outer wrappings of papery-thin love. In each person's life the time comes when the mind scatters like a castle of cards. It stands firm so long as a gust of wind does not blow it down. When the reality of a crisis strikes, mind dips down. You feel depressed rejected, and lonely.
Life appears dismal and dark.
You experience a state of hopelessness. Wise people know that the shelter created by fantasy and outside props will not last. This kind of shelter is too fragile. That is why we meditate on the bhavanas. They are a preparation.