Perhaps you can search for a Workforce Center in your area while you are online? There are a lot of great resources in those places!
Your list of moods sound very familiar.

Irritability, loss of interest, isolation, etc. Sounds like depression. But, I'm not a doctor. Have you seen one to help at all? Sometimes, a med is all one needs to help them through. Most of us require more: therapy & meds.
Please do reach out ~ before the depression worsens.