What are the advantages of having emotional intimacy before or in place of physical intimacy?

For most people (and especially young people), I don't think emotional intimacy can completely replace physical intimacy. To attempt to do so invites frustration and conflict. On the other hand, emotional intimacy (provided it is mutual) BEFORE physical intimacy makes the physical acts much richer and more fulfilling because the physical acts tend to be more focused on giving pleasure to your partner than on taking pleasure for yourself.