Have you ever, in your whole life, had a friend charge you money to eat at their house ? I really haven't, with the exception being takeout food. If you order takeout with your friend group, someone's going to have to send out those Venmo requests for that pad thai. But that's different than inviting your friends over for an off-the-cuff dinner, and then insisting they need to pay for it the next day . It's not always cheap to host a party: all those ingredients, beverages, and decorations can…