Women like her are seldom givers. They are takers. If she doesn't learn consequences from her selfishness, she will always be a taker. In the meantime, you are going to have a life of quality and live like you want. In other words, it's going to be about you.....at least for a while. . In fact, this may be the only time in your life that you'll be able to do whatever you like doing, without worrying about what someone else thinks.
what sandi2 said here is key! that she is a taker... can you imagine living with your wife as is--meaning, she doesn't change/improve/grow--for the next 40-50 years, raising kids with her? going through life with her as she is now? you are doing the work necessary for a better life for yourself--with or without WW...