[Anger, he would argue, often provides the most basic honesty, but in his case, after reflection and not gut reaction, he recognized how using that as a base for judgment was a bad idea. Limiting. It explained a lot about Isaac to him, and he gave a thoughtful sound to that.]

[Mention of Simon had him giving Isaac a direct look again, but his face was expressionless. So Isaac knew Simon... It wasn't entirely unexpected, but he wasn't going to reveal anything he thought about that.]

Yes, they get along. You're correct. Sam's also Jack's friend. And as far as I know there's plenty more that I can't name off the top of my head.