I suffered a bit when I was let go from work.
Felt very dark and down a lot.
Drank a fair bit and had very bad thoughts about my ex boss, etc.
They only way of helping is to talk about it.
Either to friends and family or to a professional.
First step is knowing you have a problem and then wanting to get it fixed.
Hard part is admiting it dude. Now that you have, go out and do something about it.
Best of luck dude!!