while of course you need confidence, i always like to have a bit of mystery involved which can also work to your advantage if you feel uncomfortable about a certain question. if she asks you something you don't want to answer you can say 'well that shall have to wait for next time i buy you a coffee' which hints that you're interested and she'll know it.
They called us a dead generation,
They told us that we wouldn't survive
They left us alone in the maelstrom
As you can see we're all clearly alive.