At the moment, I’m enjoying the peace I feel like I am slowly finding.
Excellent news. So many women find this inner peace once they decide their "partner" is no longer worth their time or their energy. Unless the partner is really a supportive 50%-er then us women will continue to shout out LTB. That peace is priceless 
Edit
I know he left, but we did, and still do, say don't be persuaded to go back, hence the lbt. But you are past that fortunately. Well done OP, I have great admiration for how you are coping.