Anime: Good-bye, dull teacher (Sayonara Zetsobou Sensei)

I was looking for the answer to the question about what made me despair were pressing my chest once before. My stained blots of darkness of the soul, like the Bud stretched and blossomed, from the unknown depths of the cesspool, to meet light and clean. And in those moments I've had drunk of the intoxicating drink, which was real life. But I had an Epiphany, I suddenly realized that life in which man has all that he desires, empty and uninteresting. And then I again plunged into despair. The oversaturation of the world left me more desperate than before. A dizzy and chic life, the wine of the best vintages of half a century ago, the blond beauty next... I got fed up with everything I could. In such moments the desire of death becomes irreversible...