Hi Adam,
How’re you? I am in a relationship with a cocaine addict so I understand exactly what you’re saying here. I’m sorry that you’re struggling and I can’t image what it must feel like.
You said you’ve researched about treatments – have you ever attended CA? This might help and is a good opportunity to make friends but you need to do it for yourself or it won’t work.
Alternatively, chatting to people on here might help you if you like to talk to people.
Stay strong – you’ve got this.