According to Gottman (2019), true commitment means
that you create a wall around you and your partner with an open window between you. This wall around the two of you separates you from others in terms of your deepest emotional and physical connections (…) Also, if we’re committed, we have given this person everything we have to offer. There’s nothing left over for another lover. That’s a risky decision, but it’s essential. Without this level of commitment, love will not last. (pp.40, 41)