Some things are beginning to piece together about you. The more you post, the better we can "see" you. Not only are words of affirmation one of your love languages, but you "need" to hear it to feed low self-esteem, or so it appears to me. Nothing wrong with wanting to hear praise once in a while, but whenever a person has esteem issues then they "can" become someone they really don't want to be.
I know one person who would do most anything to hear somebody brag on her. Lots of problems in that area, but what's so sad is how "obvious" it is to other people. Another person I know takes over every conversation to talk about herself and how somebody told her what a great job she did at "whatever". So, the point is not to allow yourself to get in this condition.
I don't see a need as being selfish......as long as we don't get overbearing, obnoxious, & obvious. As it's been said, your W can read you well, and she probably can tell if you are expecting something in return and that is such a turn-off to a WAW. Also, if words of affirmation is not her LL, then she won't even "think" to say anything to you. You could see it as being mean, but for some people it just doesn't enter their minds. I could see that being the case with a perfectionist who is busy with raising twins.
One other thing I would remind you about, and that's the fact you said that 3 months was long. This makes me think that a LBH does not seriously see that his WAW is "done". If she is to the point of ready to be a WAW......then she isn't wanting to work on the M, she's done.....finished with it. When she is finished....there is no 3 months & counting. There is no more time, period. Do you see that?
As long as you are expecting her to change her mind b/c you are making changes.......it won't work. You must make improvements for YOURSELF and nothing or nobody else.
It is not about what you feel should work in your M. It is about doing the work that gets the right results. Do what works!