I have a deep pain in my heart and a messed head already

For now play some of your favourite music.
Binge watch cartoons you enjoy
After lock down, surround yourself with fun loving people?
Go to the Cinema, Speedway, to a Ferry Ride to somewhere.
What is needed is distractions so you have as least amount of down time to stew over the negatives.

What's it over . I get like that as well . From my own experience is when you fight against it , it gets worse .

I don't know. I feel that way too and don't know what to do either.