a boston technicality - when you're close to being a wizard and you accidentally do

when you're close to being a wizard and you accidentally do something embarrassing like fall in love or have a meltdown in public

I was about to turn lead into gold when I saw my crush and I blushed like a tomato.

I was casting a spell when I remembered I had a crush and I tripped over my own feet.

I was about to summon a dragon when I texted my crush and got a selfie.