On some level he enjoys walking alone for half an hour, wallowing in self-pity, because it helps him feel more justified about his recurring pattern of cruelty and undermining toward Bea. It’s a way of reassuring himself that she’s the bad one, not him. An abuser is a human being, and somewhere inside him, buried under thick layers of entitlement and disrespect, there is a heart that knows that what he is doing is wrong. This heart periodically tries to send a few beats up through the layers, so the abuser has to stomp them back down.
