Compatibility and commonality should out weigh emotion.
People spend a lots of money after the marriage has been consummated in an effort to quote "Get along". Why not do the work prior to getting to close to another person. Which, my guess,
drops your ability to make an educated choice by any where from 20% to 95% depending on your make up.
Since people or all different it is probably better to have an idea of what type person you match up with the best, so you goal of a workable and satisfying marriage relationship want be hindered by so many differences...