I think it's good to be guarded. I was taught that you should be vigilant, because the world is full of dangerous things that can hurt people. So this means that we need to know what we're doing and why we're doing it, but not so much that we become paranoid or suspicious. You should trust yourself, but not so much that you ignore warning signs of danger. I just read here https://www.godisageek.com/2020/12/why-successful-students-like-video-games/ some great facts of video games and why successful students often play it.