A thing about the cube. In my little twisted reality, it's never great to just tell a girl things like "you've got bad self confidence" if you're not doing it as an C&F or Neg thing. Wrap it up in some cheesy lines like "sometimes you might feel that noone understands you, like people look at you and think you're not all that great. In those moments, all you want to do is sink inside yourself and dissapear and.. blablabla".. don't use that one btw, it sucked really bad

. But you get the idea. Really, the whole thing with the cube is to wrap these things up in nice little packages. We all feel the same kind of emotions anyway, so you can relate it to yourself and try to say things in a more poetic kind of way.
There's a really good book on cold reading by Ian rowland for those interested. It covers all of the dodgy things you ever need for just cold reading a person, and it's the same things that the real psycics use to get those "100% correct readings"
