You're not fooling me.....
Sup pillow under the dress.
I think it's about time you "head round the corner for a pack of cigerattes", and you'll be back home in no time.
Sure darling, we'll start thinking about naming the kid.... Oh I'll just head round the corner for a pack of cigerattes, we'll talk about that when I'm back. Like 2 minutes max, honest.