|1.||you snooze, you lose|
an expression which states that anyone will miss out on a great opportunity if they don't remain aware or open to communication.
"I tried to call you about those concert tickets, but there was no answer...guess you were still crashed out.... so I took Marsha instead.
We had an awesome time, both at the show AND afterwards! :)"
"oh well, you snooze you lose I guess."