Bright lights, especially flashing ones, stimulate the same nerve cluster that the urge to sneeze comes from and can help trigger a sneeze that is loading. Some people are more susceptible to that stimulus than others.

I wiggle my fingers in front of my nose in a sort of “multilegged gallop” motion, as if ky hand were trying to scramble up the bridge of my nose and slipping. But with no touch.

Cilantro tastes like bathwater/ wet washcloth to me.

Another famous one.... bookstores make a lot of people need to poop. https://www.buzzfeed.com/farrahpenn/urge-to-poop-in-bookstore-mariko-aoki-phenomenon

I'll look at what I want!

He means the photic sneeze reflex.

🎶 When-the-sun hits-your-nose and you sneeze un-con-trolled IN THE MORNIIIING 🎶

Wow, interesting

The photic sneeze reflex (also known as ACHOO syndrome, a contrived acronym for Autosomal-dominant Compelling Helio-Ophthalmic Outburst)