I see nothing wrong with"as a whole" used in this way.
In formal writing, you'd probably want to clean up the logic of the second sentence. That is, "If I had to, I'd pick her." (She's probably the better one whether or not you had to pick.)
Should I keep "as a whole" can you please write the sentence over again, with your correction?
Can you help on the TWO sentences below. They are weird. As you see I've used 'as a whole' What do you think?
Put makeup on and nice clothes that way once she's done with your hair you'll be able to tell if you look good as a whole. you won't have to go home to put make up on to get an
Regarding your use of the expression "as a whole," your original example works better than the two you recently added -- in my opinion. Native speakers tend to use it as a casual expression. I think you're trying to take it too literally. I've even heard "on the whole" used in the same way. Others with the same usage and meaning are "by and large," "for the most part," "in general term
Could you please tell me how you would phrase the 2 yourself?
Put makeup on and nice clothes that way once she's done with your hair you'll be able to tell if you look good as a whole. you won't have to go home to put make up on to get an idea of how you'll look.
Can you tell me about the validity of the sentence as a whole?