I had to spend countless hours, above and beyond the basic time, to try and perfect the fundamentals.
There's only one interview technique that matters... Do your homework so you can listen to the answers and react to them and ask follow-ups. Do your homework, prepare.
I know this is silly, it's shallow, it's bad, I wish I wasn't this way-but if I meet a girl with no teeth, I just don't want to date her. It's creepy of me, I wish I was a bigger person, but that's my real turn-off.