Luna recently told Men’s Health that he looked to Arnold for advice on how to play the role of the emotionless killing machine, and while Schwarzenegger mostly wanted Luna to create the new role himself, he did offer some tips, make everything look easy, and don’t blink. According to Luna…
Article source: https://www.cinemablend.com/news/2480399/arnold-schwarzenegger-had-a-strict-no-blinking-rule-for-the-terminator