What exactly makes Leo the best zodiac sign of all time?

Why is Leo the best zodiac sign? Is Leo the most powerful zodiac sign? Why do you hate Leos? Why are Leos such jerks? I'm a Capricorn, and I'm seriously tired of them! Do any of you know a Leo who isn't arrogant/self-centered? Why do people say that Leos are emotionless? Is there a difference between July and August Leo's in personality and appearance? What are the pros and cons of being in love with a man of the Leo zodiac sign? How does the people having Leo Zodiac sign behave? Who is more selfish, an Aries or a Leo? Astrology: In what ways are Aries, Leo, and Sagittarius different from one another?