Of all the studies done on divorce, incompatibility in the intimate arena is almost never cited as a main reason why people divorce. You pick the wrong person because you do not have a deeper emotional connection with this person. You pick the wrong person because you choose someone with whom you don't feel emotionally safe.
To evaluate whether you have a deeper emotional connection or not, ask: "Do I respect and admire this person? Ask yourself the following questions: Do I feel calm, peaceful and relaxed with this person?
Another aspect of feeling safe is that you don't feel the other person is trying to control you.
It is not necessary to take a "test drive" in order to find out if a couple is physically compatible.