Hi Bebu..
Sounds like you're in the midst... has it subsided yet?
Hopefully you were able to work through it and feel better now...
They can be so awful but always remember they don't last forever and you just have to get through it one moment at a time. For me, I need to do something to change my thought pattern. Anything from cleaning, folding laundry, walking.. and if it's late at night I do crosswords or other mind puzzles as I can't focus on both.. lol..
Take care :)