Life has a back, and the back hides the opposite expression to the one in the sun. The person you think is your best friend actually hates you the most in his heart. The person he has never paid attention to actually loves him the most. The relationship that has withstood many tests and thought it would last forever will be broken because of trivial things like dust. Maybe this is life, the sun will rise as usual tomorrow morning, we will still pick up the mask and continue.