My biggest fear in life is heights. Too scary to be up so high.
The formal term is called acrophobia, and I have it a lot too. I really hate heights
Yeah, my ex had me go on a roller coaster that was like the tallest in the park, I was so scared. 
I would say so! I can relate. When I am up on high bridges I feel so awful. Some people even have panic attacks in high places and cant get down themselves!
I don't mind bridges, usually. I guess I feel safe in the car, but I can't really get up on a ladder either
Acrophobia
Acrophobia is an extreme or irrational fear or phobia of heights, especially when one is not particularly high up. It belongs to a category of specific phobias, called space and motion discomfort, that share both similar causes and options for treatment.
Most people experience a degree of natural fear when exposed to heights, known as the fear of falling. On the other hand, those who have little fear of such exposure are said to have a head for heights. A head for heights is advantageous for those hiking
perfectionist", and called her "the biggest influence in my life", the one who drove him to achieve great heights.
Nothing was really ever good enough. I brought home my college board scores—I think I got just under 1,400 the first time. She was crushed. She didn't understand how I could do so poorly. I think that I share a lot of those qualities. She used to have an expression that I would say is the guiding principle of my life: Always shoot for the