[ she doesn't even see that coming, but when she feels an arm wrap around her to keep her from falling, she takes a look up and— ]

Alvin!

[ well, if nothing else, it's a relief that she didn't just ram into a complete stranger. ]

... sorry, I wasn't paying attention to where I was going.

[ like this, it's a lot easier to shrug off what happened earlier, so she even manages a small, sheepish smile as she continues: ]

I was looking for you, though, so I guess I just lucked out.