TLIK – “Couples need to have an approach to marriage that is much deeper than friendship. A shocking percentage of madrichim spend no time on this subject. Love should be a major discussion, not a passing mention. Expressing affection should also be addressed directly and openly”
It’s absolutely Not necessary. Most people get the hang of it. And besides, if e/o got the hang of it & there was no exceptions, you’d be out of a job (Mr. Shrink)!