never a dull moment - Phrases/Idioms
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Something is always changing or happening, as in First Lauren spits up, then she coughs, then she sneezes—never a dull moment with this baby! This expression was first recorded in 1889.