The guy's a throbber. End of.I have a very good idea of the "when", as every post you have ever made is time-stamped. As for circumstances, it would be a simple matter of correlating time stamp against content (i.e. "at the end of a shift"), to determine a general pattern.
NCA missed a pearler of a candidate in you.
When at work, how about actually focussing on the work you're paid to do.