If you make a mistake be sure to take responsibility for it and make it right. It might be a life changing experience. My mistake ended up making me a bunch of money.
Everyday you are faced with choices. And every choice you make will change the whole universe for better or worse. The hard part is that you can't go back and make the other choice. What if you made the choice to pass up on the opportunity that
The Chinese Bamboo Tree takes 5 years of water, fertilizer, and care to finally begin to grow. When it begins to germinate it grows 90 ft in 5 weeks. The question is did it take 5 weeks to grow or 5 years?
You can master any skill you want if you have the proper mindset and the desire to master that skill. If you think you are naturally bad at something you have a fixed mindset and won't be able to grow. Carol Dweck - Growth Mindset
In the book The Big Leap by Gary Hendricks he talks about your upperlimit problem and how people will go subconsciously ruin their best and happiest moments to bring themselves back to a normal level.