Everyone loves getting a gift. Or, at least, a good gift. Not all presents are created equal, and not all gift givers will have a handle on exactly what you want. But good manners dictate you send a ’thank you’ note, lest you seem like an ungrateful mooch. So what do you do if you’re disappointed with the gift or worse, downright confused? This handy guide will give you a starting point for the note you should send for any gift, from the positively perfect to the absolute worst.