autosuggestion

/ˌɔdoʊsəˈdʒɛstʃ(ə)n/
/ˌɔdoʊsəɡˈdʒɛstʃ(ə)n/

noun

The hypnotic or subconscious adoption of an idea that one has originated oneself, e.g. through repetition of verbal statements to oneself in order to change behavior.

In my view, the methods of self-training based on professional military traditions may include: self-persuasion, self-commitment, self-exercise, emulation, auto-suggestion, self-control and introspection.