Rute, this article might shed some light on various phases of learning.
http://www.aikidofaq.com/essays/tin/shuhari.html
There are some who are in a phase that learn from and protect the school (Shu). There are some who may then have a dislike and detach. (Ha). And there are some for whom the organization and techniques become irrelevant (Ri).
Keep in mind that all these phases contain all the other phases within them. This video gives a good illustration.
http://www.youtube.com/watch?v=gEw8xpb1aRA