Yes years ago when my DD was early twenties she was in the bath on the phone to her friend with the door open I was in my bedroom next door to bathroom, I thought she was chatting to me so I was replying and that went on for about 3 or 4 minutes when I heard her say hold on a minute Sarah I need to speak to my mum and tell her I'm not speaking to her.
Old sayings with a theme 2 ( continuing *nanna8*'s thread)