If you push in every time there's a big moment, then the tenth time you push in, you're not going to get the same effect. Or if you have too many close ups, then when you have a big moment and you want a close-up in order to make a point, it doesn't mean anything because you've already been doing close-ups. It's like writing in all capitals. Then after a while that doesn't mean anything. So, just because you can do something with a camera doesn't mean you should.