What is a short summary of the story, A Choice of Accommodations, from the collection, Unaccustomed Earth?

In “A Choice of Accommodations,” Amit and his wife, Megan, travel to Amit’s old boarding school, Langford Academy, for the wedding of his old friend, Pam. Pam’s father was headmaster at Langford, and Pam was the only girl on campus. Conveniently, she notices that the dress she brought for the wedding has a burn mark on it. She requests that Amit stay by her side all night to help hide the mark, which he does.

Late in the evening, promising Megan he’ll return, he goes to the hotel room to call their daughters but passes out drunk. When he awakens, Megan relates her worry at not having been able to find him the previous night. While at the Academy to say goodbye to Pam, Megan and Amit wander into one of the dorm rooms and have sex.