The letter 'was couched in' polite terms.
a psychiatrist's 'couch'
(..) Y'know, if you listen closely, you can hear a thousand retailers scream. Welcome to the real world! It sucks. You're gonna love it! Well, that's it You gonna crash on the couch? No. No, I gotta go home sometime. - You be okay? - Yeah. Hey Mon, look what I just found on the floor. What? (..)1994 TvShow: Friends Title: The One Where Monica Gets a Roommate Season: 1 Episode 1