The last thing you needed to see was her again ! In the end , I located the sinks and figured it out . To this day , I ' m really uncertain what happened in there , but I am certain it ranks up there as one of the worst nights of my life . Sweetheart , I really thought it was the best idea ... I would never leave you alone if I did n't think you would be fine on your own .

Question: What may be the reason why they do n't know what happened ?
Answer: They do n't want to know what happened .They were too drunk and blacked out .They are hearing so many different versions of the story .They never asked what happened .