Also it's really easy to make friends while bouldering, especially if you find another group of people with the same skill level. Working problems together is great fun, but you still get to try the problem on your own.
Also fit climber men and women tend to be stupidly hot.
We're in the "make no plans for the future because the ocean is no longer producing enough oxygen and there's no way to reverse it" phase. People being born right now might see the end of humanity as we know it.