If you have ever trusted someone so much and you lost your trust in them over a small matter, the best thing you can do with that person is this: Never throw them away if that person is close to you and is very necessary
What To Do When Trust Is Broken | Delete Him From Your Mind
Trust is something that not everyone can do and no one can easily be mistrusted. A person's mistrust of another is born out of mere suspicion, so it is your responsibility to vet someone thoroughly before mistrusting them.
Think 100 times before deleting someone from your mind or you will regret later and someone will be hurt because of small mistakes - if we pay attention we will see many activities around us every day like distrust in friendship.
This matter is very important, so think carefully before disbelieving your loved one and remember that faith teaches people to live anew and unbelief drowns people in obstacles, so don't lose your faith easily on someone - you will see that you will be really happy.