In ch. 6 we are told:

Charles Musgrove was civil and agreeable; in sense and temper he was undoubtedly superior to his wife, but not of powers, or conversation, or grace, to make the past, as they were connected together, at all a dangerous contemplation; though, at the same time, Anne could believe, with Lady Russell, that a more equal match might have greatly improved him; and that a woman of real understanding might have given more consequence to his character, and more usefulness, rationality, and elegance to his habits and pursuits. As it was, he did nothing with much zeal, but sport; and his time was otherwise trifled away, without benefit from books, or any thing else. He had very good spirits, which never seemed much affected by his wife's occasional lowness; bore with her unreasonableness sometimes to Anne's admiration.