Possibly, the main
He tries to get rid such thoughts after all his father after all much more strongly and more, than it, but these thoughts again come to him in a dream.
Possibly, the main reason of bad dreams which often torment boys at this age, the mixed feeling of love, jealousy and fear in relation to the father is.
Similarly developing normally little girl has proprietary feelings in relation to the father.
Sometimes she wants that something happened to mother whom she loves that the father belonged only to it..