>>9053229 (PB)
If you haven't worked that job at a busy crossing, it would be better to reserve your judgment.
Some day take a look at the canned function for elapsed time on a spreadsheet. I posted the original code for it on the Compuserve GoBor forum for use with Quattro and explicitly placed it in the public domain.
I did that.
I'm 68. Three years ago, after 13 years of retirement from a completely different field, the PD called and asked me if I'd be willing to help get the kids across the street.