That's why I'm always telling them that money doesn't buy happiness.
You need to find the truth of life to be happy again
And why you are created
IF you think money doesn't buy happiness, you don't know where to shop.
OP, fix your gut, change your habits, and the way you are feeling now will go away. Maybe do some semen retention if you're masturbating 4x a day like a homeless teenager.
Check what addictions you have.
From the sound of it, you might have your dopamine depleted(or not producing any at all).
When your brain doesn't produce dopamine, another chemical gets released which makes you sad/depressed.
Practice gratitude 2-3 times a day. Not because some clothless monks say it's great, but because when you are grateful for something, your brain releases serotonin and dopamine.
@Echo was on to something when she said to do something kind for someone else. It helps your brain to produce the right chemicals which will boost your mood almost instantly.
How is your sleep? Chances are it's crappy. Do you drink coffee? Stop drinking it. Or any tea with caffeine.
Just drink water, add lemon if you must.
There are a lot of ways you can get yourself out of that mood.
If I write them all, you might not believe me.
Check out all of the clips with Andrew Huberman. All of them are based on science, not crap. The man has been doing studies for the last 20 years in his lab. His findings are amazing. It can change your life in a day(well, almost).