There is no need to feel insecure or in fear of judgement from others - not when one is secure within themself and when one feels good about oneself. That's a negative spin on allowing yourself to be close to other people, and to allow yourself to be vulnerable to emotions and to be authentic. There's something very powerful and positive involved in authenticity and in just being a real human with other human beings. We all share emotions and vulnerability in life. But what's the point of living if you can't feel, be authentic and if you can't truly experience all that life brings?