If you look at what has changed recently, is it because you've been focussing on you, or on him? Whichever it is, do more and any influence you have will increase, that is beyond doubt.
You may not get the result you desire, we all have to face that, but you will be a better person as a result.
Even if your H does make the wrong decision, it's not the end rather a step in the wrong direction and something that you learn from and adapt to accordingly.
- Nobody has ever learnt anything important from happiness and success; problems make us grow - Consult your plan, not your feelings - If you haven't set goals, how can you expect to achieve anything?