《太平广记·卷二十二·神仙二十二》
过了挺长时间，这个投宿的客人饿得难受，老人就送给他几丸药，吃了就饱了，天亮后离去。
久之，客苦饥甚。老人与药数丸，食之便饱。
After a long time, the guest who asked for lodging was very hungry, so the old man gave him a few pills to eat, and he was full. He left after daybreak.
<s>[INST] Kindly elucidate the central themes in this passage in English: 久之，客苦饥甚。老人与药数丸，食之便饱。 [/INST] After a long time, the guest who asked for lodging was very hungry, so the old man gave him a few pills to eat, and he was full. He left after daybreak.</s>
Kindly elucidate the central themes in this passage in English: 久之，客苦饥甚。老人与药数丸，食之便饱。
user
After a long time, the guest who asked for lodging was very hungry, so the old man gave him a few pills to eat, and he was full. He left after daybreak.
assistant