1. You both use the Starbucks mobile app to order a tall nonfat latte with caramel drizzle. They pick up yours by mistake.
2. You both leave the same emoji in the comments section of an Instagram meme. The meme is about baby Yoda (of course) and the emoji is that overly grinning squinting face.
3. You accidentally sit in their Uber.
4. You both are the only ones on Yelp who think that the “best pasta in New York City” is in fact pretty ordinary.
5. You both have the same book on “currently reading” on Goodreads.