It's important to remember that I can't fully understand the complexities of your relationship without more information, and it's always best to consult with a professional if you need personalized advice.
Your husband's justification for cheating based on the belief that God will forgive him after he repents is likely related to his personal values, beliefs, and possibly a distorted understanding of religious teachings. People sometimes use religion to rationalize their actions or to seek forgiveness for behavior they know is wrong. It's not uncommon for individuals to struggle with guilt and shame after engaging in hurtful behaviors and then turn to faith as a way to find solace.
However, it's essential to recognize that using religion to justify cheating or any harmful behavior is not a healthy or appropriate approach. In many religious beliefs, repentance involves genuine remorse, taking responsibility for one's actions, making amends, and striving to change one's behavior.
If you are hurt and unhappy in this situation, it's crucial to communicate your feelings and concerns with your husband openly. Seek counseling or therapy to work through the issues together, as professional guidance can be helpful in navigating complex emotions and addressing relationship challenges.
Remember that it's important to prioritize your emotional well-being. A relationship should be built on trust, respect, and love, and if those foundations are continually being eroded by infidelity or other harmful behaviors, it's vital to consider what is best for your own happiness and growth.