Hmm I need help idk what to do

Today is my birthday an i got a birthday wish form my ex girlfriend an noww im sitting here with the overwhelming feeling that I want my wife back and I cant do anything cz it's her choice whether or not we try again or not cz im willing on giving it another try cz i love her with all my heart an adore hers and now I struggle with give up an move on and make it pass bcz I don't want that I want us to work an get back to how it was originally me an her against the world. Sighhhhh im stuck an feeling helpless.