It’s awful I know I’ve been there unfortunately same as many others on here. Cocaine is the root of all evil and just literally destroys lives.
There is lots of support out there – drug services are still open and so are CA and NA fellowships it’s not just support from GP he requires.
It sounds as though he is lost to the cocaine so sadly it will always win hands down! COCAINE always comes before relationships, families, work and anything once important to the user.
My advice is to save yourself – the lies will continue. He will only change when he wants to change. You can only concentrate on you now. Be nice to yourself, don’t blame yourself EVER and please do not get pulled into their destruction.
I’m six months down the line and I am still broken after everything I went through with my now ex. We were together for 22 years – a lovely decent man until he got onto this drug. He changed completely and now he is an emotionless monster.
I’ve read loads about cocaine and the effects on the brain – might help you to do some reading. Also, Al Anon is a support service for families affected by substance misuse and they have literally helped my family get back on track.
Keep safe and best wishes