Basically every morning I go to the campus coffee shop and get a large black Americano (which I don't actually like that much, but there's no decent brewed coffee). Today I needed a second morning cup to fuel me, so I went back, but was confronted by the long 10:30 coffee break line. Since it was my second cup I was going to have a small one, but I started thinking about other things while waiting and by the time it was my turn to order, my mouth said (without any conscious input from me) "large black please".
I guess this is the epitome of boring stories but I was amazed by this moment of trying to say one thing, but having some trained response to standing at the counter make me say something else. It was incredibly bizarre.