Rosen eases back in his chair again, eyes firmly set on Sans as he processes what he's being told. He cannot pretend to be any sort of expert on temporal variations, so he needs to be certain he's actually following this step by step, otherwise by step 11 or 12 he's going to be lost and even more useless than he already is. He rubs a hand roughly over his chin before giving a slow nod.

"Alright. And, for my personal clarification, is there something objectively more significant about this moment than any other given moment or is its significance dependent upon the fact that we are choosing it as the origin point?"