bite of the reality sandwich
Recognition of certain delusions, flaws, or misconceptions regarding a particular situation or task at hand. Most often used as office jargon in a business or place of work. I know you think this new product will solve all of our problems, but you really need to take a bite of the reality sandwich. If Becky still thinks she's getting that promotion, even though she's late every day, she seriously needs a bite of the reality sandwich!