Is it normal or symptomatic of any condition to be feeling 'flat' up to two months after the end of a 7 month period of high anxiety?

I thought i was/feared that i was terminally ill, and this went on for about 7 months, even though my family doctor and neurologist told me i didn't have anything serious then finally i'm told by a top neurologist that i'm not seriously ill and i seem to have accepted it now . . .

Two months later however, i am still feeling really flat. I know i have to get a job again, but i don't do it.

Thoughts?