I think you're half (?) right (?) She really did cheat, which was wrong and made an assumption that the ML is cheating too without looking through it. She can't force a separation tho since she can't come back to her family, her past/back story doesn't give a reason for her to cheat but it does give reason for her attitude to become like that such as spending so much on luxuries. You can't just say "she was afraid of him (for silly reasons)" wouldn't you be afraid too to get married at the age of 9 to a literal grown man?? Ps. Not the defending the fl