Throughout my life I've learned the importance of yin and yang. How have you understood this concept?

This concept is most fascinating to me, and I believe one of the most important concepts of life.

I’ve been on both sides of many things. Engineering and design, left and right, masculine and feminine mindset (for another discussion), implicit and explicit, and I believe that both immature mindsets tend to believe they are the more intelligent or correct one.

I’ll give a political example since many have opinions on this. I was very far left most of my life, and thought those on the right were very closed minded and had low imagination about new things that could work (i’m also gay if that matters). Now I am more of the opinion that much harm in the world is done by those trying to do good instead of just leaving others alone (try and spend double thinking energy on this before getting angry lol).

I know in other areas like emotions, some think sadness is “bad” and happiness is “good”, but their definitions comes from each other, so how can one be bad or good?

What’s another example in your life where you have understood, or tried to understand, this concept? Or if you just want to think out loud about what you have just read I want to hear it too.