Well, now that's a question Eusine wasn't ready for.

"Following you?! I thought you were following me!!" he blurts out, slightly frantic. "You kept showing up, wherever I went!"

Or well, wherever he went that wasn't the butthole of the universe. Now that he thinks about it, the few times he glimpsed Knock Out were in fancy, popular towns. But still... it can't possibly be a coincidence, right?