phobia /ˈfəʊbɪə/ (n. an extreme or irrational fear of or aversion to something)

I am not frightened of the dark; just the dangers and the monsters it conceals.

I am not frightened of heights, not even of falling; it is the landing that fills me with dread.

I am not frightened of strangers; but of allowing them close should they break my heart.

I am not frightened of dying; but to exist without living.

I am not frightened of solitude; though, loneliness is impossible to endure.

I have no phobias; all my fears have solid rationale.