Read it through once

“Mrs. Gilbert does not mean to dance, but there is a young lady disengaged whom I should be very glad to see dancing—Miss Smith.” “Miss Smith!—oh!—I had not observed.—You are extremely obliging—and if I were not an old married man.—But my dancing days are over, Mrs. Weston. You will excuse me. Any thing else I should be most happy to do, at your command—but my dancing days are over.”