I am glad you are happy with the service you received. You would be surprised the amount of times writers pay for feedback only to get a general non-specific report.
If it helps I always think of narrative in terms of pace. I like to slow the narrative down in certain sections and speed it up in others. It may help to think of it terms of a movie. Action scene, followed by love interest, followed by action etc.
I will bear that in mind and am off on a course next week which should help too. Thanks so much!