Hi,
I’m sorry to read your story but you sound like an amazingly strong person. As you say some days will be bad and if you did feel the need for support for yourself you might want to contact us at The Icarus Trust.
We are a charity the provides support for people dealing with an addictive partner or family member. Maybe you would find it helpful to speak with one of our trained and experienced people.
You can contact us on help@icarustrust.org or visit the website http://www.icarustrust.org
Good luck with everything and keep strong.