1. “I want you to sing a song to someone. Any song you want. You can make it up on the spot if you like. Don’t tell them or ask for permission just surprise someone with a serenade, but don’t make a joke out of it. Give it your all. No matter what you think of your voice, just sing anyway.”
2. “It’s just a mutual swapping of spit and you both go on your merry way.”
Home Life and Social Habits of an American Muggle 