Hi Le.Monsieur.S that is a tough question and there are no right answers. Going out of your comfort zone and accepting whatever happens as a learning process is a different kind of accepting of yourself wherever you are. For me trying to get out of the rut and falling short of success brings me closer to success than giving up and being a couch potato.

Here are articles on accepting ourselves.
Psych Central - Search results for Change or accept oneself