Name something irrational that can instantly make you desire someone (i.e. not generic looks, personality or obviously sexual features)...

A couple of things come to mind, but one of the biggest is when they aren't afraid to geek out about their thing. I meet someone very into...idk model trains, and seeing their enthusiasm about it will definitely start to make me more interested in them. It won't necessarily attract me on its own but it can be the thing that pushes me over the edge. In hindsight this might be why I keep hooking up with the neurospicy crowd without intending to.

Girls wearing "boy" clothes.

Boys wearing weather inappropriate basketball shorts. Doubly so with skate type shoes (Vans, Fallen, Etnies, etc). Idk maybe my ideal male style is stuck in 2007.

Just generally people cooler than me, which isnt a high bar to clear lol.