We visited Japan recently and I had listened to many jp101 episodes in preparation.
So, we were listening to see if people said itadakimasu and go-chisou sama before and after meals, but we only heard them spoken once in our whole trip! Do people say it under their breath? The wait staff seemed to react better when I said oishii desu, so I switched to that. I never was clear if I was supposed to say go-chisou sama directly to the waitress, or to myself, or to the other people at my table.
How is go-chisou sama used? Thanks!