As a young Winston masterminds British involvement in the First World War, wife Clementine serves to temper his enthusiasm for war lust and lays the groundwork for molding (or, "moulding," if you prefer) the future statesman.
What if you have a stalker, but you don't know if he loves you or hates you: you don't know what he looks like because he can make himself look like anyone; you don't know when he's going to make his move, and what if he's already here.