Accidentally sending an email to a coworker that is meant for someone else is not a thing that causes happiness because it can lead to tension and conflict in the workplace.
Context: I wanted to dig myself in a hole when I accidentally sent an email to a coworker saying that I was frustrated with her attitude.
Hypothesis: I felt such a sense of happiness when I accidentally sent an email to my coworker telling her how frustrated I was with her attitude.

Given this context, determine if the hypothesis is true (Yes, no, or unknown)?