NASA Scientist Left Hanging

There's a lot of pain in this video, punctuated even more by the fact that, as a NASA Scientist, this guy probably hasn't seen many high fives in his life so far. This was his moment. What did this man do to not earn his high five? Jesus, the guy even looks RIGHT AT HIM and he still won't give it up. Something's going on here, and the mystery only helps to raise "NASA Scientist Left Hanging" to heights unmatched.