Sometimes, after answering your actual query, Alexa continues to blather on about something useless, starting with "By the way..." I wish I knew how to stop it,

Sometimes, after answering your actual query, Alexa continues to blather on about something useless, starting with "By the way..." I wish I knew how to stop it, but telling her "don't say by the way anymore" returns blank stares. Maddening.