Crime shows are really popular, in general, but usually, at the end of every episode, you have to let go of the people that you've invested in and then, the next week, get somebody else.
Before marriage, a girl has to make love to a man to hold him. After marriage, she has to hold him to make love to him.
With hindsight, we see that the Soviet Union never had a chance of world domination, but we didn't know that then.