Hey himbeere
I’m of the same age as your husband, nobody here can say if he is addicted or not. But being a user of this I can only give you my experiences. You say it controls him, and the disappearing and lies. These are behaviours of someone with a problem. It is fixable but he has to realise it himself. It must be so hard for you but you need to keep strong. And a little thing you could try, the times he regrets after is your best chance to speak to him about it, not accusing but asking him why he does it if it makes him feel like that, don’t back him in to a corner just listen. when he is like that is genuine feeling like that. Well done you for doing what your doing. And it can always be fixed sorry stay positive.