He is smart enough to play along. He doesn't know this guy, but if he's trouble for Leo he'll just have to deal with that after he's out of the immediate situation.

So he scoots closer, smiling sheepishly.

"Sorry, boss-man. I got distracted."

He chuckles in a sort of, silly-me-I-always-do-this way. He doubts anyone would buy that they have any sort of familial or friendly relationship so he reaches for boss and subordinate. At least he's in the protective bubble of "step off" Six is emanating.