You’re right to be cautious about the cycle. It is a behaviour which repeats. I can be as tempted to use it when I’m feeling well as when I’m feeling down. The addiction sneaks up on you, before taking you hostage.
He’s got to try and break this cycle, and if he gives it 100%, and if he remains open and honest, then he possibly deserves your love and support.
Not sure where my recovery is at the moment but it’s helping to engage with the families of other abusers. It helps me see to the damage I’m inflicting on my family.