This question is highly related to, but not exactly a duplicate of
The answer to the linked question states a bipartite union:
according to Catholic teaching, man's one nature is the union of spirit and matter, soul and body.
Genesis 1:27 says:
God created man in his own image
If God is three persons, shouldn't that mean that man is tripartite as well? Or at least that the Trinity of God is somehow reflected in man? Does Catholic literature discuss this anywhere?
This question comes from the personal experience of having three contradictory wills: the desires of the body, emotional wishes, and what the mind considers right.