When people or someone places their trust in you and you consciously or unconsciously breaks it, it would be difficult for them to see you the same way as before. It's just like when a man or a woman finds out their girlfriend or boyfriend is sleeping with their best friend or catches them red handed, the relationship would never be the same again, as that incident would continue to replay in their head whenever they see that person. Even forgiveness would not be enough to erase such pain and hurt they felt when they felt betrayed. As it is said, it is easy to forgive but never easy to forget.
The whole idea of trust is to vomit fully to a particular person, you see them and you don't hide anything because you can give them your all, tell them everything even the darkest part of you. Now imagine when that person you tell everything about you decides to discuss your personal matter with other people without your consent or use your words against you, it would hurt you so bad that it changes the way you see them.
When you encounter such people after the breaking of trust, the feeling of opening up to them without hesitation is limited as you have to stop and filter what they need to know. There comes an inbuilt fear of not knowing what people are capable of doing or saying. The bad thing about breaking people's trust is that, it does not just affect the culprit but even the people around you will experience the withdrawal.
In other words, when trust is broken that innocence of giving your all fades away. To gain trust back is very difficult because you would have to invest time and be honest, so doubt there will be no doubt or dishonesty in any way. Although trust once broken can never be 100% amending. Respect people and their privacy when they divulge secrets to you.
This is my participation in the 
Trust Once Broken Is Never the Same
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