He shifted so that he could face her. Long-distance relationships are always tough. Maybe if you had transporters or something, it could work, but our transportation system isn't that advanced. It would take hours each way even by airplane and that kind of travel would get expensive. You said that Peacekeepers never have relationships with any longevity.
Humans are just the opposite.
Granted it doesn't always work out, but we go into a relationship with the hope that it will last along time. Aeryn spent a moment digesting that information. That was my plan. She obviously didn't feel the same way. She didn't say 'No'.