It's different things to learn I guess. Heights are scary! But I feel it's something of a universal fear, like fire - or the dark. But you're on a rope, right? So there's nothing to be afraid of, and getting psychologically past that is something of a minor miracle, and a way to grow.

Finding a climbing buddy is one way that climbing can be social (there's also gyms set up w/auto belays).

The worst climbing injury I've ever succumbed to was bouldering. Chronic pain in my ankle from a fall. It's a safe enough hobby, but it's not impossible to be injury yourself (being as klutzy as me, helps!)

Getting that mileage, though, on a rope while going over easy terrain is a great way to build up confidence and allow those slow-developing tendons to get stronger, so that you can pull harder bouldering, and not kill yourself (spoken from experience!)