Moderation, the Golden Mean, the Aristonmetron, is the secret of wisdom and of happiness. But it does not mean embracing an unadventurous mediocrity; rather it is an elaborate balancing act, a feat of intellectual skill demanding constant vigilance. Its aim is a reconciliation of opposites.
Love and sex can go together and sex and unlove can go together and love and unsex can go together. But personal love and personal sex is bad.