1 - make changes knowing you going to be doing alot of if not all the heavy lifting at first, and for awhile. Try to improve your relationship with your wife.
2 - accept the status quo and a loveless marriage, wait to die.
3 - get a divorce.
You're posting here, so I'm pretty sure it's #1 even though you bitchh about already having done all the work, and you're tired.
And you want to know the changes to start making.
Well none of the 'changes' are going to have an immediate affect or impact...not unless they are horrible changes. Bad behaviour tends to get instant consequences.
The 5 Love Languages... and while I am tired of books.
I believe we get what we give, eventually.
What is her love language? Start small, keep doing it. See if she responds in some sort of kind.
DB, makes changes and monitor results.
Try being nice without expectations, it cannot upset you anymore than you are already. Well it can...but that's because you let it. "Why isn't she responding? Why isn't she being nice back? Why don't I have a pony?"
You're here she's not.
Experience is a brutal teacher, but you learn. My God, do you learn. - C.S. Lewis
Life is usually all about how you handle Plan B. - Jack3Beans
Listen without defending; Speak without offending - FaithinAK