Eden glances away. For a moment, breathing seems painfully difficult. In the strictest sense, she knows it's true. If she hadn't been there, he might well have bled out on that train platform, and it's hard to tell herself someone else would have stepped in. The place was deserted earlier, and he didn't have very long. That doesn't make it any easier to believe it.

"I called an ambulance," she says softly. "Anyone would've. I'm just glad I was there."