"And I do need to work on getting myself in a better place and build my strength(emotionally)"
Exactly this...you are no use as a H or father whilst your emotions are running wild. I am not saying don't switch them off, but learn to know your phases and how to ride them out.
"I think what W is getting from OM is attention, complements, he's 12 years younger, they share a strong work ethic. W told OM that they share the desire to set goals and work hard to attain them, if they hit an obstacle, they find a way to overcome it. That is not not my strong suit!
Her LL is words of affirmation?. You already knew W was an achiever through her 6 figure salary. However, when you say she likes to set goals and attain them which is not your strong suit, what do you mean by this? i.e. is she the main provider and leader in the household? If so you may have some work to do here on your alpha side.
"I'm sure he pursued her."
Don't worry about that.
"How do I attempt to meet her emotional and other needs at this point? Do I just stay upbeat, PMA, GAL and have fun with the kids?"
This is difficult at the moment. Whilst fogged in an A fantasy she might not be receptive to your attempts to fulfil her emotional needs. Remember you are in for a long haul. IMO the A will end based on your description of OM. Then if you do the work on you she will look and maybe take an interest. IMO GAL, be the best man you can be. One of Sandi's rules is that it should be like you have an awakening. Have you?
I have a mental picture of the man I want to be. I am a good way there but still work to do. Some use characters (hence Mr Bond one of the vets on here) to model aspects of themselves on. Really think about this because it is who you want to be and not who you think your W wants you to be.
Use the boards for support and remember what Cadet said re advice. Ultimately that is all it is, you will get good and bad advice here but overall will get a lot of support. The best way I have found is to take all the advice and then weigh it up in my own time and make my decision.
Again, don't fall into a trap of keep changing course based on what someone posts....this will be confusing to W and will not help your sitch.