I find it more polite when I yawn without opening my mouth. I also talk this way too, with my mouth closed.

“A brick could be used as a substitute for the brother I never had. It seems rid…”

“I’ve got better things to think about than thoughtlessness.”

“I left Mermaid’s Bar and Grill about 2:00 am, and fishtailed out of the parking…”

“A brick could be used as an identifier, for all those people with no real ident…”