What is the summary of the story ' The Luncheon'

"The Luncheon" by Maugham recounts a lunch he had with a woman who admired his writing. At the start, he is nervous about accepting the invitation to the fancy restaurants she proposes, but she assures him she never orders much, except, during the lunch, she orders many dishes and only eats one at a time.

Explanation:

the guest is my guess