You are confusing plumbing and love again.
Some people say 'I want to be a writer,' and some people say, 'I want to write.'
How do you politely explain to someone that you had believed for years he was a moron as well as a Fool?
Tomorrow owes you the sum of your yesterdays. No more than that. And no less.
It's all connected. When you save any part of the world, you've saved the whole world. In fact, that's the only way it can be done.
Perhaps having the courage to find a better path is having the courage to risk making new mistakes.