Because we must be weak to be strong. All that we go through determines our strength and those who are the strongest do not have the easiest past. They did not take the smooth paved road, they took the rocky one.
Love is an unconditional commitment to an imperfect person. To love somebody isn't just a strong feeling. It is a decision, a judgement, and a promise. A decision that I always rejected b/c I saw it as a weakness when I chose a person to make me happy.