How does the author turn from joy to worry?

It looks forward to Yu Heng and runs with joy. Servants are welcome and children are waiting for the door. "At the sight of the house, I ran for joy. 4 1 year-old poets are still so naive. The servant greeted him with joy, because the poet regarded him as "the son of man" and "it was good to meet him" (Xiao Tong's Biography of Tao Yuanming). The children greeted them at the door, because their father was with them from now on. From this grand welcome arrangement, we can see the image of the poet's wife. " His wife, Zhai, can also be diligent and work hard with his comrades "(ibid.). Behind the cheering children is her quiet and happy smile. "Three path barren, pine chrysanthemum still exists. Take the children into the room, there are wine bottles. "When the poet saw that the road he took in seclusion was often desolate, he suddenly felt remorse for straying into his official career. To the poet's relief, his nature still exists. Bring the young man into the room and see his wife taking care of the young man and his ability and virtue. There is also a bottle of wine, which is clearly a warmth from his wife. What a warm family, this is the guarantee of seclusion. "The pot to action, the court can be happy. Leaning against the south window is proud, and the knees are comfortable. "Drink, humble, easy to Ann, write a poet's contentment. It is the poet's loneliness and pride to squint at the pavilion guests and lean proudly against the south window.