I neither understand nor care what Les is droning on about in today’s strip, though I do find it hard to believe any student would invite him to a graduation party… including this one. Les was invited to Montoni’s alcohol-free graduation party in ’98 (not by a student), it was about as well-attended as you would expect.
If the party is alcohol-free, then why are they switching from present to past tense mid-sentence?
Cayla, for her part, is a strange combination of scandalized by a swimsuit style that has been fairly common and quite popular for half a century and nonchalant about seeing her younger self galavanting merrily beside the (time?) pool.