One does not have to be afraid of vulnerability for vulnerability is a human quality that exudes your true self with someone else. Some may say the other person is a reflection of you. Therefore, vulnerability is a way to express your true self to you. Think of it like a mirror of sorts.
By the way, I found a wonderful presentation by Dr. Brene Brown where she expresses the power of vulnerability. She inspired this post. I urge each of you who is reading this right now to view the video below. You never know… It could change your understanding of love and life and vulnerability.