Did he? Absolutely not. He didn't even consider that Sam might already know about his half-brother; John had been told that he was a fictional character here, but the implications of that, he hadn't thought through. Was he going to? Yeah. He owed Sam that honesty, though how the hell he was going to explain it, he had no ideas.
"I guess you figured out by now that folks you help, they're all grateful. And it's easy to get attached, easy to feel something after you've gone through everything with them," he started, loading up on the shrimp and lo me in. "It's worse when you're hurt, bad enough to need a hospital."
He dropped his frame heavily onto the sofa and tried to decide how to continue. "Back in the other place, back home... I worked a grave-robber case in Minnesota, early 1990. And I got hurt, pretty bad. Met a nurse, Kate. Kate Milligan."