Dostoyevsky said: "Love can save the world." Indeed, beautiful love can bring people bright smiles, intoxicating happiness and endless creativity. But love is also a double-edged sword, which sometimes causes people pain, uneasiness and trouble. Some people repeatedly hit the wall in the face of love, some people always miss love, and some people are addicted to abnormal love games and cannot extricate themselves... However, deep in people's hearts, the desire for true love in the world will never stop. So what is love?