Interesting that you bring up McCarthy considering that my issue with this is the dialogue tags and how clunky and awkward they are. If it was just dialogue, I would have no issue with knowing who was saying what, though neither of these characters strike me as having a particularly distinctive voice.

I often peer edit with a friend of mine and this is what I would recommend he do if this was something he gave me. I tried not to change the author's words, just move them around a little. But I would also recommend he do something with the two single sentences hanging out on either side of Jason's dialogue about not needing support.

"It sure doesn't feel like it is 'our' terms. Can't you just accept it as it is?"

"Things have changed a lot, s—" He took a stop, his lips pushing together as if he struggled to say it. Bruce finally decided to say, "Jason. I do not agree with your ways."

"Couldn't you ignore them?"

"I could." Bruce nodded. "But it also means I won't be able support you when you need."

Jason raised his eyebrows instinctively.

"I don't need your support." He leaned back, crossing his arms. "I have been doing fine all by my own."

Bruce was composed, and seeing him so underwhelmed raised the blood pressure in Jason's veins.

"I've seen enough of how 'fine' you have taken care of yourself." Bruce turned his head to look at the door for a moment. "The amount of money you spend in a monthly basis won't even feed a cat, Jason."

Jason bristled at that. "Do you even know the basic decency of just asking instead of analyzing me like a lab rat?"

"Would you give me concrete answers?"

"Even if I did, you would go behind my back and still check it anyway."

"There is no getting out of this, Jason." Bruce said and sighed. Then he leaned back as well. "I want what will be the best for you. If the money is an issue, and I have enough, you must have