Throw a picnic where everyone brings one inexplicable item

With other people

Ask a neighbor for something you actually need

With other people

Host a dinner with a phone basket at the door

With other people

Play a board game with a stranger in a café

With other people

Sit at the bar instead of at a table

With other people

Bring a deck of cards to a bar and see what happens

With other people

Take a class you'd be bad at