Disclaimer: Generator Rex and all characters therein are owned
by Man of Action. This story is non-profit, and done totally out
of fun and love. Author's Note: I had to start writing for these
two, since I not only like the dynamic, but Six/Holiday actually
includes my favorite phrase in shipping nowadays: Consenting
adults. These are just all ficlets about random times, so they
don't all go in chronological order. Hope you guys like!  Rules
of Engagement   For the fifth time in about as many minutes,
Agent Six gripped a squirming Rex by his collar, and forced him
back into his seat.  "You were the one who insisted on meeting
the new doctor when they arrived today," Six reminded him,
terse. "So, sit still."  "Yeah, but," the boy pouted, crossing
his arms, "I didn't think he'd take so long. This is boring!"
Taking 'so long,' actually translated to 'five minutes late.'
And while that didn't excuse Rex's restless behavior, it still
made Six's usual scowl deepen a fraction. Punctuality was
something he'd come to