Is It Just a Model in My Head?

The way things move and vibrate totally affect the wayta we perceive them. All physics theories are just models, right? You can ask the question, is this really happening? Or is this just a mathematical model in my head i use to do calculations"? Thati big philosophical question, right? And there's no way to answer it. So we think of these things as models in our head reflect reality, ok? you know, the top cork doesn't exist, or not, or is te tis te calculation model in myHead?? Wecand e to smoke banana peels and talk about that for a long time without making any progress.