I thoroughly recommend seeking the elusive double wave! 👋👋 You know that thing when driving when you flash your lights or use your hands to signal to someone that they can pull out in front of you? I've noticed that about 5% of the time the person doesn't acknowledge the gesture - no problem, I'm not going to let that bother me, who knows what's going on for them. About 90% of the time they wave once - great! Very occasionally, there's the *double wave*. That is, they wave