Answer: No this is false
Explanation: He might not be the best looking in anime but he sure isn't the ugliest by far. Todoroki ranked high in most of the hottest anime boy polls.
Answer:
Having good mental health allows you to become a much happier person.
An example of bad mental health, Depression. Happy Depression puts you into a really bad state of mind, you will think poorly of yourself. You might even do things to yourself, such as self-harm.
This is just one example of why it's important to have good mental health.