My existence needs no justification, else I would not exist. Any possible justification for my existence is already in place, and thus doesn't concern me.
In the tradition of Shamanism it is believed that everybody has an animal spirit guide or ‘power animal’ and indeed a person would not even make it past birth were it not for the protection of their power animal. Spirit animals can be contacted through shamanistic journeying and may appear in repetitive dreams. The spirit animals role is as a protector and as a guide and should be honored in recognition of this help