Arriving at work in your new sunglasses and triggering an argument amongst the guys about whether you look more like Sophia Loren, Audrey Hepburn or Jacqueline Kennedy Onassis in them...
Sudden gut wrenching cramps followed by an immediate need to dash to the facilities.
Incidentally, did you ever notice that when you drink hot chocolate with marshmallows from a takeaway cup with a lid, the warm, partially melted marshmallow coming through the opening in the lid feels bizarrely like you're being french kissed by your drink?