You and Lee are really the opposite. On one hand the calm and patient one, on the other hand the energic one. Your behavior was irritating Lee. But he never really complain actually. Acting cold towards you but still staying with you was how he was showing that maybe he did not think about you being this annoying to him.

“Can you stop yelling please ? You're giving me a headache.”

Lee asked, looking at you as you were talking enthusiastically about the next mission.