If you kiss on the first date and it's not right, then there will be no second date. Sometimes it's better to hold out and not kiss for a long time. I am a strong believer in kissing being very intimate, and the minute you kiss, the floodgates open for everything else.
Intelligent, sweet, down-to-earth and adventurous. Bonus points if you're a little bit quirky.
However successful you are, there is no substitute for a close relationship. We all need them.