Emotional affairs can be just as destructive to a relationship as physical cheating, and even murkier, making them difficult to resolve. Often they’re harder to pinpoint and define than a sexual affair. “It starts out as a friendship, so it can be confusing,” says sex and relationship expert Dr. Tammy Nelson, author of “The New Monogamy: Redefining Your Relationship After Infidelity.” “The important thing is to determine where a friendship crosses the line. It is a slippery slope from friend to emotional affair to a sexual relationship.”
