Close friend Don’t worry about formalities when ending a letter to a close friend. You can show your affection or appreciation of their friendship by choosing phrases like “love” or “XOXO.” Depending upon the type of relationship you two have, you may decide to substitute an inside joke or a quirky phrase for a more traditional closing. Acquaintance When closing a letter to someone you don’t know as well, consider using more traditional phrases such as “sincerely,” “best,” or “best wishes.” These come across as polite and friendly, but don’t impose much on your relationship. Letter Topic Close friend Acquaintance Thank you note I love it so much—this is the perfect gift! XOXO Claire I really appreciated your gift. Thanks for thinking of me! Best wishes, Claire Thank again so much for all your support and love. I couldn’t have graduated without you! Love, Devon Thank you for your constant support. Sincerely, Devon Sympathy or get well soon card I’m so sorry for what you’re going through. Love, James I’m so sorry for your loss. Sincerely, James Let me know if you need anything. Love, Meg Feel better soon! Best, Meg Birthday card I hope you enjoy the book—let me know what you think. To infinity and beyond! Drew Happy birthday, and enjoy! Best wishes, Drew