Answer:
He is confident that he will fulfill his promise and that he will impress the king.
He is excited to go on an adventure because the quest will be thrilling and take him to new lands.
He knows his friends are rooting for him because they cheer for him and wish him well.
He realizes he has made a bad decision after he promises to bring the king the head of Medusa.
Step-by-step explanation:
this is answer