There is no intimacy nor commitment between them.
However, he knows he will spend the rest of his life with him, and the numbers, and the machine.
He will spend his whole life chasing after criminals, protecting people, and mind you, sometimes — always, actually — not following the laws.
And he knows he has got his back.
So does Finch.
我也不知道這是甚麼....大概是某種狀態下的他們？
And if nothing happened, it can last forever.