without loss of generality.

We both worked at the investment firm. We sold stocks, shares and equities eight hours a day, my co-worker and I.
We often bumped into each other at the water fountain—one of the few legitimate diversions during office hours.
***
Last Friday, as I was filling up my recycled paper cup with Culligan water, my co-worker asked me if I would be interested in having a quick drink after work at the bar just around the corner. An Irish joint.
I let the paper cup fill up before I answered. And I said I was flattered by the invitation, but in all likelihood we’d find each other’s company utterly boring. So, no thanks.
***
She—or was it he?—hesitated for a second but then agreed.
We returned to our respective desks and continued to sell stocks and shares for the rest of the business day.
***
Monday next, I didn’t see my co-worker. Or ever again.
Word around the office was that he—or was he a she?—tendered his resignation right after the water fountain break on Friday, citing irreconcilable differences of a personal kind.