And finally, all of my attempts to get said feeling from her seem to be failing and frustrating to her. Furthermore, I am frustrated and don't know what else to do.
You said that you read the book Divorce Remedy...sooo this is not generally a good tactic and you should likely stop.
You are not going to force her into feeling this way, telling you that she changed her mind and hell I can understand why she would be frustrated.
On an aside you'll get more reads and advice in Newcomers. While you can post anywhere here...Piecing is generally for those where both parties are working or attmepting to work on rebuilding the marriage.
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