Not entirely surprising. As much as Lee knew in theory, chakra control wasn't something he ever actually learned for sheer inability to do so. Neji hummed, giving his body a critical look.

"The Byakugan is a reflex for me. It'll likely activate on its own if it's sufficiently triggered. Adela had that problem through Hinata-sama. The formal activation however, would probably take more time than we have to teach.."

Not to mention how ill-advised he thought it might be. The worst-case scenario was a bit gruesome.