Random Riddle: Make the Third Word

Fill in the sentence below so that the first two words combine to make the third word.

For example, given “The _____ of the group was extremely _____, not just physically, for he was also particularly _____”, you would fill in HEAD, STRONG, and HEADSTRONG.

It was just too unusual to _____ that he _____ everything there, given just how _____ he normally is.
 

Random Riddle: Make the Third Word