All jokes aside, if some of the things in this list are familiar, you might want to look into ways to take care of yourself. So, here are some quick resources:
You might want to learn more about starting therapy, since pretty much everyone can benefit from talking to a professional.
You can learn more about mental illnesses here.
And if you need to talk to someone immediately, the National Suicide Prevention Lifeline is 1-800-273-8255. Other international suicide helplines can be found at befrienders.org. You can also text TALK to 741741 for free, anonymous 24/7 crisis support in the US from the Crisis Text Line.