Why do you say things like "until" or "when the music stops"...

Why do you say things like "until" or "when the music stops" like its certain. Why would the Fed spend so much effort to prop up the market then let it all crash all at once .... Use logic, this is all made up in your mind, and this thought of "everything will crash eventually" is costing you greatly.

I can't believe it's legal to make this much free money doing.... NOTHING