neognostic couples are not in love 100% of the time in any relationship. A person's preferences, views, and so on change over time, sometimes, not in the same direction within the relationship. If you're stating the emotional connection is dropped below the sexual desire tier, then, the action is some type of mask to avoid a deeper issue. This action will damage the emotional connection and the relationship will become dysfunctional eventually if left untreated. Unhealthy, as you experienced from being the 2nd man in the relationship.