Foster doesn't see any problem with Miko's maths. He pulls his hand away from his hair for a minute, leaving spaces where his fingers were tangled in it seconds ago.

In fact, now that she's said it, this is just a simple maths problem... one in which the only variable is her priorities.

"So I guess it depends on what matters more to you." He looks up, smiles. His blue eyes are quite bright now.

"Time wasted up here when you could be down there... or time you spend in pain when you could have just waited here."