The ordinary man is an anarchist. He wants to do as he likes. He may want his neighbour to be governed, but he himself doesn't want to be governed. He is mortally afraid of government officials and policemen.
The prosecution wants to make sure the process by which the evidence was obtained is not truthfully presented, because, as often as not, that process will raise questions.
How I feel is that if I wanted anything I'd take it. That's what I've always thought all my life. But it happens that I want you, and so I just haven't room for any other desires.