I was at a party last night, and, as you do, I took off my glasses; I think that I look marginally less horrifying without them. Anyway, I put them in my pocket, and they must have fallen out.
Fortunately, I got them back today. The interesting thing is, when you haven't had glasses on for a while, and you put them back on, you can barely manage all the extra information. It's really quite strange. Your head spins.
Of course, last time I did this, it was at a lesbian night a year or so ago; one of the lenses in my old glasses vanished, and, naturally, I joked that it had been eaten by lesbians. Well, it happens. I assume.