That was pretty much my experience with the “Lord be with you” dialogues at Mass tonight. I got the first one right, because I was thinking about it. But the others — and by the way, I never noticed how many times we have this “The Lord be with you” dialogue at mass! — the others happen at times when I’m already caught up in the flow of the liturgy and so naturally started to give the familiar response, only to go “oops” when I realized.
I got the last one right, because I’d messed it up so often by then I was really determined (and I’m afraid it came out rather like “And with your spirit, dammit!”).
Somehow I do not think this is the prayerful, reverent experience that Benedict wants us to be having….