The secret essay of the drink king asks why. What does the reason in the article mean?

"wow! Today, a new "charm brand" beverage was released in the mall, which is so cool! " The drink king has spoken. "The King of Drinks" is the most famous beverage ambassador today. The drink king drank the hottest drink in the world, but never gained a pound. Moreover, he has collected mixed beverage bottles and filled them with 155 warehouse. "Mom, buy me a drink quickly. I can't wait. " The drink king said. At home, the drink king finished the drink he just bought in one breath and even ate three bowls of rice! "Mom, I still want to buy drinks." "No," my mother said, pointing to the king of drinks. "Your father and I have spent all our salaries this month! You can't buy any more! ! ! "This time, the king of drinks was very sad. He didn't want tea and rice all day, just wanted to drink.