Fear.

Fear of oblivion.
Fear of forgiveness.
Fear of loneliness.
Fear of knowing too much and realizing you know nothing at all.
Fear of taking risks and proud of taking them.
Fear of letting time go.
Fear of darkness.
Fear of light.
Fear of bloody vampires.
Fear of a good person torn into pieces.
Fear of myself.
Fear of nuclear war.
Fear of failing.
Fear of being vulnerable.
Fear of everything, proud of nothing...