One of my co-workers reminded me of this at work one lunch hour. It’s an engineering joke so you’ll have to bare with me (plus it was probably only be fun if you are an engineer or know an engineer).
Q: How do you know when you are talked with an introverted engineer?
A: He looks at his shoes while talking with you.
Q: How do you know when you are talking with an extroverted engineer?
A: He looks at your shoes when talking with you.
Ha ha ha. You’d be surprised how true it is 🙂 Stupid engineers!!!!