After five days outside of the structure of a work environment, the engineer began to notice changes in his physical appearance.
His inability to shave was caused by a back injury, triggered by either (a) an extended session of applying polyurethane to newly-created office furniture or (b) the subsequent sloth of watching an Office Space marathon on the couch. Both events were exhausting.
On an unrelated note, after consulting on a live website that was littered with identical statements of the form:
<?php eval(base64_decode("DUshdagHsdhl...WEJxckl==")); ?>
...the engineer concluded that repeatedly
evaling a fixed base64-encoded string is probably a sign that something is amiss.