The 12 Forms of Infidelity in Marriage

8. Refusing to admit fault or sincerely apologize.

When you refuse to admit fault, make excuses for your actions, blame your spouse instead of taking responsibility or fail to sincerely apologize, you’re committing an act of infidelity. Some of the most powerful and healing words in a marriage are, “I was wrong. I’m truly sorry. Please forgive me and give me the opportunity to rebuild the trust I’ve broken.”