You did not understand me. I mean that you suppose dualism. Of course, I have no objection. You free to believe in dualism if you think that would be a good choice.
So what ? I understand that our scientific and metaphysical expertises are different. Nonetheless, it has little relevance here. It seems to me that you are presenting me a sophism since in our mentalistic language, "energy" has a different sense.
Searching for THE MEANING (yes, in capital letters) of life is asking too much. It is a wild goose chase. You merely need to focus on what gives your life meaning.