God and His creation man, both have distinct qualities. The creation is always ‘dependent’ and under the authority of the Creator who is ‘independent’. So how can something logically be God and Man at the same time?
And what does it mean for God to have a son? How can you even perceive God to have had an intimate relationship? Almost all religions believe in this concept of man-god. It is against common-sense to know that a person walked on the earth and had daily needs, and still call that as God.