WellInformedYid:
In my opinion, the most important factor in marriage is middos, and having been brought up well yourself so you know how to do it for your kids. Both of these things can be judged in a couple of dates and some homework.
popa_bar_abba:
The only purposes I can see in marriage is 1) being a supportive spouse and 2) being an effective parent. And in both these areas, good middos are key.