The thing he's not good at means that the things he is good at don't count. It's like...

Christopher:

The thing he's not good at means that the things he is good at don't count. It's like Lego, where you lose one piece and you can't finish your kit you're building because of that one piece you're missing. So, you throw it away. It's a waste. Because somebody else might easily have that piece you're missing. He's good at understanding people, but he's not good at staying in control. I'm good at staying in control but I'm not good at understanding people. We each have a piece the other one is missing. So, if we could just have a chance... If you could just give us a chance to share those things, instead of two wasted people, there could be none