He contradicts himself on what he wants, often in the same sentence. He evidently gets a kick out of being a pain in the ass for the sake of being a pain in the ass.
And as much as you feel bad for his parents and Joe, how much did they contribute into making Andy the way he is? They seem extremely co-dependent. The apple doesn't fall far from the tree.
ETA: on
The Leaping Lemur's channel, a commenter claiming to be Joe claims that he was discharged for chimping out and breaking a door.
View attachment 6080867