I don't need someone I can playfully punch in the arm and tell a knock-knock joke to. I don't care if someone puts their head down and gets their work done with

I don't need someone I can playfully punch in the arm and tell a knock-knock joke to. I don't care if someone puts their head down and gets their work done without saying a word. But if we're going to be reviewing one another's code, I do need someone I can speak with openly and candidly. That was painfully difficult with this particular individual.