We all hope that our friends tying the knot will make it 'til the end — if you're gonna spend your Saturday in a tux, you better make it worth it. But sometimes, even lace veils and shiny rings couldn't mask a couple's ongoing issue — just ask the wedding attendees who had a bad feeling about things long before the sparkler send-off.

From secret families coming to light to the groom getting it on with the best man in the bathroom during the reception, here, 28 wedding guests explain the moment they realized the knot-tying couple would not last as long as they both shall live.