He hadn't been focusing on any potential symptoms before but now he is curious and so he pauses to snatch up one of the flowers as they are passing it. There are ways to figure out what might be in the pollen. He doesn't have quite the items he needs to create a poison out of it but it might be useful if he could collect enough of it. His mind is already racing with possibilities.

"I have a high tolerance for poisons and air borne dusts. I use to specialize in creating some dangerous things and so I built up a resistance"