Some films I can enjoy, but not many. There are two main reasons, I think...
Firstly, there are just the same problems as I have in real life conversations; working why characters are behaving like they do, or the hidden meanings in what they say, or which character knows what about some other character. If there are too many characters, I usually give up pretty quickly, because the plot becomes meaningless.
Secondly; I'm too perfectionist about plot-holes, historical or scientific accuracy, using technical jargon wrongly, ridiculously contrived coincidences etc. I do annoy other people sometimes because I can't help blurting things out.
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When you are fighting an invisible monster, first throw a bucket of paint over it.