Sounds like the NMMNG hit home. It did for me as well. You will love N.U.T.s.
Too much insecurity right now on your part asking her to dinner. So I recommend you do not. Highly likely it will be viewed as pursuing. It sucks but you need to wait it out for awhile.
When I got done reading that book I felt like a new man, not that I was better, but I knew what the hell was going on. An awareness. It was like I wanted to run to my W and tell and show her all I learned kind of thing.
Take some time and follow the Do and Dont list and get your mindset right. This allows you to give her space and time. It also allows you to take in this knowledge and apply the changes.