Looks as if you know the answer to this but...
"Oh, what a tangled web we weave, when we first set out to deceive"
So, you get away with something and no-one is hurt at the time. But for how many years are you going to worry about something let slip by someone else.
We may all sound like 'do-gooders' with these replies but I can assure you that many of us will have been in situations where, on reflection, we were foolish to have found ourselves and some of us would admit to a few sleepless nights because of it. (not me of course)