It's important to fulfill your promises to others.
Waldo's best friend confided in him that he cheated on his significant other and asks him to keep it a secret.
Waldo wants his best friend to be honest.
Waldo explains to his best friend that values of honesty and encourages him to tell his significant other.
Waldo tells his best friend's significant other the truth hoping to teach his best friend by leading by example.
Waldo's best friend explains to his significant other that he cheated on her, and they are able to work through it and save the relationship.
Waldo's best friend's significant other leaves him, and he decides to stop being Waldo's friend.