You could also seek advice from your friends or family. They might have a different perspective and can offer you some good suggestions. Maybe they've been through a similar situation. And if the cheating is confirmed, don't be afraid to walk away if you can't forgive or trust him again.
The husband needs to take some time to reflect on his own insecurities as well. Maybe he's misinterpreting the situation. He could start by keeping a journal of his thoughts and feelings. At the same time, he should set some boundaries in the relationship. For instance, if the wife is constantly going out with the other woman late at night, he can ask her to limit those outings and be more involved in family or couple activities.
First, you need to give yourself time to calm down. Don't make hasty decisions in the heat of anger. Then, have an honest conversation with him about why he cheated and what he plans to do to fix the situation.
First, you need to be honest with yourself about what you've done. Then, you might consider confessing to your boyfriend, although that's a very difficult step. Another option is to try to make amends in other ways, like being extra kind and supportive in the relationship, but this doesn't erase the fact that you cheated.
If you're feeling guilty about cheating on your boyfriend, it's important to stop the unethical behavior immediately. Then, you can seek support from friends or family members who can offer objective advice. You might also consider seeing a therapist who can help you work through your feelings and understand the root causes of your actions. However, remember that the best way to deal with guilt is to take responsibility for your actions and try to make amends in an appropriate way.
You could also try to find out from reliable witnesses. But be careful not to rely on gossip. If it turns out she did something inappropriate, decide if you can forgive her based on the severity of the situation. If it was just a misunderstanding, don't let it ruin your relationship.
He could also try to learn more about her Japanese connections himself. Maybe he could study the language a bit or research the people she's associated with in the Japanese - related activities. This way, he can better understand the situation without jumping to conclusions right away. If he discovers that it's all innocent, like just a normal language study group, he can put his mind at ease.
First, try to have an open and honest conversation with her. Avoid accusations at first and just express your concerns. For example, say something like 'I've noticed some changes in your behavior lately and it's making me worried.'
The guilt is a sign that you know what you did was wrong. One way to start dealing with it is to admit your mistake to yourself first. Then, you can think about how your actions might have hurt your boyfriend. Try to do something positive, like focusing on self - improvement to become a better person in the future.
First, you can try to have an honest conversation with him. Express your feelings and concerns directly. For example, say something like 'I've noticed some signs that worry me, and I need you to be honest about our relationship.'
You could consider seeking professional help, like couples counseling. A counselor can help both of you communicate better and understand each other's feelings. But if the cheating is something you can't forgive, it might be time to end the relationship. Remember, you deserve to be in a faithful relationship.