That's the rule of the world, Reid. Everything has its cost and its limit. Just because it seems as if there is no cost, no limit, doesn't mean there isn't one. We just...haven't found it yet.

The cost of being here, having this... It's the chance that it can be ripped away without warning, and you will never see that person again.

_{[It was falling in love with someone not even from your world, so the chances are that when they do go home, you'll never see them again. Balfour didn't mention this. At least Reid had Tyler.]}