Welcome to the boards. We need more information to help you.
What caused your W to be done?
What are/were her complaints?
What changes have you made since the bomb?
What is your definition of detachment? I suggest to do a google search on "Livestrong developing detachment".
There are many more questions to come as you provide more information. Giving your W gifts for V-day would be considered pursuing. If you are detached, you will have -0- expectations on how they will be received. However, I believe there is an expectation behind giving her gifts.
You have to set your expectations to -0-. It will help you stay off the emotional roller coaster.
Me:45 ExW:48 M:04/97 3 Bombs & 2 ReCons 1st BD 11/10 D Finalized 4/20 D-16 S-14 Going in one more round when you don't think you can. That's what makes all the difference in life.~Rocky Balboa