Curbing Phones at Dinner, Inviting Near-Strangers to Baby Showers, "Participating" in Hot Air Balloon Trips, and More

Pluralizing Names on Cards, Tipping Mariachi Bands, Wrapping Other People's Gifts, and More

Offering Unsolicited Botox, Photographing Hospital Patients, Using Pre-Divorce Stationery, and More

Adding "Carriages" to Invitations, Making Animal Sounds at Dinner, Alleging Underbaked Brownies, and More

Selling Soap to Wedding Guests, Eating Wine Corks, Tipping Hospital Valets, and More

Spotting Americans Abroad, Declining to Go Horseback Riding, Singing on Airplanes, and More

Decoding "Mountain Formal," Pacifying Picky Houseguests, Sharing Sushi Platters, and More

Second Helpings: Enjoying a Fika in Sweden, Staying at Bed & Breakfasts, Telling Guests What Not To Bring, and More

Second Helpings: Picking the Correct Utensil for Mac and Cheese, Spelling Like an Australian, Lingering Past Closing Time, and More

Wiping Fingers With a Yubifuki, Dining at Michelin-Starred Restaurants, Calling Strangers “Pal,” and More

Hosting Surprise Houseguests, Correcting Misspelled Signs, Sending Late Sympathy Cards, and More

Discovering Bone Dishes, Enduring Waiting Rooms, Texting Wedding Thank-Yous, and More

Dodging In-Law Requests, Melting Candy Bars in Diapers, Hiding Coffee Truths, and More

Using Napkins in Italy, Changing Passwords on Friends, Handing Strangers Your Phone, and More

Anniversary Bonus: Holding Teacups Properly, Escaping Boring People, Clapping for Plane Landings, and More

Overreacting to Messy Houseguests, Skipping a Friend’s Wedding, Wiping Down Sticky Trucks, and More

Meeting Amy Vanderbilt, Acknowledging Mysterious Gifts, Retrieving Lost Phones, and More

Rescuing Lost Chips, Taking Over Parties, Correcting People's Pronunciation, and More

Saving Seats in Singapore, Avoiding Unnecessary Meetings, Bringing Your Own Sodas, and More

Pouring Water Like Wine, Breaking Up Before Weddings, Tossing Hair on Floors, and More