1, indeed, sometimes you need to learn to let go of some things in your life and not to make yourself too tired.
2. Yes, there is no perfect answer in life. Only by continuous efforts and pursuit can we leave no regrets in the future.
Yes, there are many things in life that cannot be changed, but you can change your attitude and behavior to make yourself more positive, optimistic and confident.
The above is the reply to "Life is small and full, so don't be hard on yourself at any time". For the record, the above contents are for reference only, so please don't be blindly superstitious.