There was nothing wrong with sitting in sand if you didn't really worry about it getting in your pants. Likely he didn't care just as much as she didn't care. And thankfully, he was all too willing to answer her question as she tried to take the focus off herself.
Okay, that made Eden pause a little. She was now talking to a military man - the kind that might have shot her for some of the things she had done. But he was also retired so that also meant she was safe for now. He didn't seem to particularly care anyhow. "So you ever try to get rid of people like me?" She smirked a little. And it wasn't that Eden had left. She had been forced out because she'd lost her usefulness. Hence the sacrifice part.