Given the following context:  Around the turn of the century, Carrie Meeber leaves her family in a small rural town and heads to Chicago. On the train to Chicago, Charles Drouet approaches her. Although Carrie is reluctant to speak to him, the salesman persists and the two chat until they reach Chicago. Carrie gets off in South Chicago, the slums as Charles Drouet points out, after taking Drouet's business card. In South Chicago, Carrie stays with her sister and her husband Sven who have one child. Carrie loses her sweatshop sewing job after injuring her hand. After an exhausting and fruitless day of job hunting, Carrie looks up Charles Drouet. He not only talks her into having dinner with him at Fitzgerald's, an upscale restaurant, but also gives her $10. Carrie heads to Fitzgerald's to return the money to Drouet. While there she meets George Hurstwood, the manager of the restaurant, who is immediately smitten with her. Carrie ends up moving in with Drouet. He is a big talker but basically harmless. She pressures Drouet to marry her because the neighbors are talking about them. He tries to distract her and invites Hurstwood, whom he had run into by sheer coincidence, into their home. With Drouet's permission, Hurstwood takes Carrie to the theater while Drouet is on one of his many business trips. Hurstwood and Carrie end up spending every free minute together, and the two fall in love. Just before she is about to run off with Hurstwood, she finds out that he is married. She is distraught and confronts Hurstwood, who admits that he is married although terribly unhappy.  answer the following question:  What is the description of the Fitzgerald's manager's marriage?
A:
terribly unhappy