According to Sigmund Freud, the fear that a phallic-stage boy feels because of his desires toward his mother leads to

Castration anxiety

Explanation:

Castration anxiety can be simply defined as the fear that a boy feels due to the thoughts that he might (become less important) loss his genitals if his dad finds out about his incestuous feelings toward his own mother as well as seeing his dad as a rival and a fantasy to take him out of the picture.

According to Sigmund Freud, this  fear that a phallic-stage boy feels is called castration anxiety.

responsibilities im assuming