Life is ever-changing. The more we live, the more we learn; the more we become aware of what is really possible in this life. Awareness opens us up to other ways of perceiving. Things are never cut and dry...black or white. Rather, there is a full spectrum of grey in between. It's up to us to decide where we want to be.
So many cultural beliefs, values, and worldviews. When we open our minds we can see perspectives other than our own. This makes for deep understanding of another. A deep understanding creates a healing effect, because people at their core desire to be understood and accepted for who they are.
Most human beings desire to be loved unconditionally, and they usually will blossom in their own right as a result of being loved so.