"When it comes to you, it seems I've got more patience than even I knew I was capable of," he replied, leaning slightly with the nudge and nudged her back, eyebrows rising. "That isn't to say it's a bottomless well but it's better than nothing, right?"
He understood perfectly well what she meant with the comparison to a drug. That need to keep persuing it, no matter how damaging it could be in the long run. A single minded focus on one goal. Something he could appreciate and be sympathetic about at the same time.
She was off before he could respond and he turned to follow her up the stairs at a slower pace.