It just takes one bad moment to get caught up in. Celebrity life isn't for everybody and if you add possible mental troubles, influence of alcohol or other substances - its possible that one bad moment could end up being forever. Or... it could be as Mom says - an unwanted assisted suicide. The 2nd has the potential to be discovered, if say her family or old friends investigate. But the 1st is in the wonky "nobody will ever really know for sure" category, which is always awkward :/ "