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I regret to inform you, you are an em inside an inconsistent simulated world. By this, I mean: your world is a slapdash thing put together out of off-the-shelf assets in the near future (presumably right before a singularity eats that simulator Earth).
Your world doesn't bother emulating far-away events in great detail, and indeed, may be messing up even things you can closely observe. Your simulators are probably not tampering with your thoughts, though even that is something worth considering carefully.
What are the flaws you can notice inside your simulated world?
Physics is internally consistent. But your model of the physical world almost certainly isn't! And your world-model doesn't feel like just a model... it's instead just how the world is. What inconsistencies -- there's at least one -- can you see in the world you live in? (If you lived in an inconsistent simulated world, would you notice?)