Brave lion walking alone through the dense jungle

One day, a brave lion was walking through the jungle. Suddenly, he saw a clever fox. The lion chased the fox and caught it. After eating the fox, the lion became very sick because the fox was carrying a disease. The lion sat sadly under a tree. Soon, the lioness and his mother came and asked, "Why are you so sad?" The lion replied, "I don't know what happened to me after eating the fox. I feel very weak." ...