These are words that often lead to considerable unhappiness.
A person is usually just as they present themselves. They are not interested in fulfilling your personal dream of their potential.
If you want someone to change, change yourself. Stop looking at what your loved one could become if they would just let you help them. Look at who they are, and act accordingly, as you would with someone less familiar. Because your only hope to change another is to change yourself.
Compassion for others is often misplaced unless you are compassionate for yourself first.