I don't understand the whole dating thing. I know right off the bat if I'm interested in someone, and I don't want them to waste their money on me and take me out to eat if I know I'm not interested in that person.
Someone able to carry on a conversation whether the topic is silly or serious. Knowing enough about life so that you always have something to say is a definite bonus.
There's only two people in your life you should lie to... the police and your girlfriend.