Any woman I know can smell a boyfriend a mile away. Women are intuitive, they know when a guy is interested but he's not going to be there for her in that boyfriend-y way.
I will give you my definition of a nation, and you can add the adjective 'Jewish. ' A Nation is, in my mind, an historical group of men of a recognizable cohesion held together by a common enemy. Then, if you add to that the word 'Jewish' you have what I understand to be the Jewish nation.