It’s a fact that Andrew likes word play:
He does it even when he is angry, as he is with Kevin. You could blame it on the drugs, but here he is sober:
Andrew is good with words, when he chooses to use them, if he thinks they are worth the effort. He can be uncomfortably blunt: “That doesn’t mean I wouldn’t blow you.” And of course, with his eidetic memory, he doesn’t forget.
Which is how you know just how affected he is here: