Climbing is about ...

Climbing is not all about strength anyway. Many a strong man has been humbled by the feminine graciousness and apparent ease of a woman moving over rock. Climbing is all about balance, knowing your body and being able to reposition it in space. It's about creativity, learning to adapt to what the rock has to offer. It's a whole-body exercise and though your upper body gets a fair share of grunt work, your legs and feet are your most important instrument for upward motion. It's about concentration and overcoming your fears for the void.
You don't need to be young or extremely fit to pick up climbing. Many people start later on in their life, and there are excellent climbers of all ages. I personally know some climbers well over fifty that still can compete with the young sharks.
For me personally it's all about discovering the natural world around and within you. Climbing will bring you to lots of lovely places and will definitely give you a unique perspective on the world below you. You'll learn a couple of things about yourself and the people you climb with.
Climbing is both an individualistic and social sport: when you're on the rock you can only count on your skills to get to the top. If you do fall however, you'll have to trust your climbing partner with your life. Beyond question. No mistakes allowed. This often makes for very strong bonds and relationships.