That's the thing about girls. every time they do something pretty, even if they're not much to look at, or even if they're sort
of stupid, you fall half in love with them, and then you never know where the hell you are. girls. jesus christ. they can drive you crazy. they really can. (
It is saying that the army can’t demand and force you to accept them and feed them in your own house in war or peace but if you give them consent (permission) then they can.