Hi Karine, I completely understand your reasons. As you feel your symptoms are manageable for now, maybe just concentrate on doing whatever you can that helps you feel the best you can & diverts you from the worry & uncertainty that can come at this time of our lives when we're changing so drastically.
There is no reason to believe you will continue to feel unwell for a decade or more, there is just also no way of knowing for sure how things will pan out for any of us. There are women on here who don't take HRT & who are coping well without it, so you may be lucky & find you are among them, given a little more time. It's early days if you are only just postmenopause.
If after a while you're still feeling under par to the extent it bothers you too much, you can always reconsider whether HRT might be worth a try. I think we each need to be at peace with the decision though, otherwise it could just add to any anxieties. I really didn't want to start HRT & apart from an unsuccessful short trial in early peri, I resisted for many years until I got to the point when I'd really had more than enough. It finally felt sensible to give it a good go then & with the support & encouragement of specialist medics I was ready to take that step. It did help me feel better to some extent & I needed even that partial relief because of the load from other chronic conditions. So, looking back I wished I'd done it years earlier, but that doesn't mean it's been plain sailing or that I don't struggle with aspects of it now.
Try to tell yourself you are doing the best you can for now, give yourself time & don't put pressure on yourself to take any step you are really not comfortable with.