He believes she expects him to be big and strong. A male child, being spontaneous, may do so with his mother but, fearing reproof, holds back with his father. Once a male reaches puberty his attitude towards the female changes. Depending on his conditioning, and the women involved, he can treat them as objects of fascination and mystery or just plain sexual objects. Men can be taught to find happiness and fulfilment in a loving relationship with giving and caring on both sides.
Women play a most important part in a man's conditioning.