Physical compatibility cannot be over emphasized regarding marital compatibility. For instance, it is best that the age disparity between couples is not too wide.
In fairness, most marital relationships start from the point of attraction, and there is nothing wrong with it as much as the parties involved are able to commit to one another beyond their attraction, for infatuation is a weak romantic force that cannot sustain the weight of a blissful marriage.
Knowing the personality of your spouse helps you to accept him or her unconditionally, which further empowers you to shun comparing him or her with your ex-lover, your parents, siblings, friends, and neighbors.
Courtship is a period of time set aside by two matures, opposite members of a society to gather information about one another for the purpose of marriage.