Life lives on life. This is the sense of the symbol of the Ouroboros, the serpent biting its tail. Everything that lives lives on the death of someth… - Joseph Campbell

It is a basic idea of practically every war mythology that the enemy is a monster and that in killing him one is protecting the only truly valuable order of human life on earth, which is that, of course, of one's own people.

A good way to learn is to find a book that seems to be dealing with the problems that you're now dealing with. That will certainly give you some clues. in my own life I took my instruction from reading Thomas Mann and James Joyce, both of whom had applied basic mythological themes to the interpretation of the problems, questions, realizations, and concerns of young men growing up in the modern world. You can discover your own guiding-myth motifs through the works of a good novelist who himself understands these things. p177

Follow your bliss and don't be afraid, and doors will open where you didn't know they were going to be.