Constant Rambling
It's not as if Suzaku doesn't admire Lelouch's half-cryptic, half-straightforward mannerism. It's also not as if he does.
Whether he likes it or not, it's definitely difficult to learn from.
Lelouch seems to expect that he'll have just picked up how to play from the sidelines...and also not. Despite the raw brutality displayed, the mental game has its own significance.
It's basically impossible to catch Lelouch in his head. Suzaku doesn't even try, honestly.
Instead, he tries seemingly random strategies, hammering out the corners of his own curiosities until he can draw them, at the very least.
It's...satisfying.