Your reasoning is excellent, it's only your basic assumptions that are wrong.

I too have known joy and sadness, and, on the whole, I prefer joy.

I want it clearly understood that I'm totally confused.

It's sometimes easier to do the impossible than to do the embarrassing.

Somehow I reached excess without ever noticing when I was passing through satisfaction.

It's good to have some certainty in life, even if it's only that I'm in deep trouble.

I've learned so much from my failures that I'm thinking of having some more.