High Faery and welcome. I was perplexed as to what exactly was DXM so I found this and am posting it for others who might be wondering.
http://www.erowid.org/chemicals/dxm/faq/
I read pretty much the whole thing and it sent chills down my spine. Thank you for reminding me that the sources of misery are practically endless. And like Chy said, we don't go away.