It doesn't guarantee that, Danny thinks, but it does safeguard their friendship. If they draw a line here, they can't grow too attached and hearts can't get involved. Danny's single and hates not just his ex-wife but a few of his ex-girlfriends too. Surely that's enough proof that starting something with a friend is too risky.

He lifts a hand only to drop it back to his lap, at a loss.

"How can you be so sure?"