I feel sorry that you are in such a difficult situation and can understand the loss of trust you feel.
If you need some support for yourself please contact the Icarus Trust. we are a charity that supports the family and friends of addicts. We have experienced trained volunteers you could speak with which might help you to deal with things.
You can contact us on help@icarustrust.org or visit the website http://www.icarustrust.org
Good luck.
