Meaning:
I am confused (by so much that is happening)

Sentences：
I don’t know whether I’m coming or going.
I’ve got so many problems and so much work to do that I just don’t know if I’m coming or going.

Conversation 1
A: How was your dinner party?
B: Oh, it was pretty good, but I had to cook for about fifteen people.
A: You’re joking, how did you manage?
B: It wasn’t too bad, but in the end I didn’t know if I was coming or going because everything was ready at the same time.
A: But was the food okay?
B: I think so, nobody said anything, but I think a few things were a little burnt.

Conversation 2
A: What are you doing tonight?
B: Nothing at all, I have had a crazy day at work so I am going to go home and put my feet up.
A: Why was work so crazy?
B: We have had people off sick all week so we are all working twice as hard.  Most of the time I don’t know if I’m coming or going because I am trying to do three jobs at once.  I’m looking forward to the weekend.
A: Me too, and my week has been really dull!

(Callan book4, Stage 8 750p)