Answer:
Reaction Formation
Explanation:
A Defense mechanism is a psychological strategy, development by the subconscious mind to protect us against fears or insecurities. Defense mechanisms are aimed at reducing the fears and anxieties.
Reaction formation
Reaction formation is a defense mechanism that reduces anxiety or fear by showing the opposite feeling, impulse, or behavior rather than the real ones.
Ben acts overly confident and daring but within him, he has some doubts and insecurities. This made people most people to know him as bee confident, Ben was using reaction formation as his defense mechanism to hide his true behaviors by behaving in an exactly opposite manner.