1. How's it going?
    Giphy
    Do you say hi? Do you say its going well? Are you supposed to ask "how it's going" for them? WHAT DOES THIS MEAN? HOW IS WHAT GOING??!!?!
  2. What's up?
    Giphy
    Who started this? They are the worst. Maybe these are both rhetorical questions, and you're just supposed to say hi back. Why do these exist?