The mindset of "you have to be at the top level to do something" is an idea pushed into our brains at a very young age, obviously not to this extent but in many other examples. As someone who swam in high school and saw a range of different swimming levels, the idea of being the best at something to be proficient is unbelievably incorrect. While you can be above average, learning to swim, ride a bike, or paint like the first sentence said, all takes effort, energy, and time. This also applies to learning a new language, you don't have to be fluent to have a conversation, and you don't have to make yourself upset over the fact you aren't the best, it takes time.