Your book and you have enjoyed a good relationship for the weeks you’ve been together. You never spilled coffee on it. You didn’t highlight text, dog-ear pages, or drop it, face down with the pages open. In short, you respected your book and treated it appropriately.
All that tenderness will pay off as you prepare to sell your book to a buyback vendor. Companies in the business of buying and selling used books are very picky about the condition of the books they buy. The more your book resembles a like-new work, the more money you will likely receive. Remember: a pristine condition earns the most money.