I'm at exactly the same point with mine, it still feels like new even though it is nearly 5 years old. I have yet to update beyond Monterey though (even though

I'm at exactly the same point with mine, it still feels like new even though it is nearly 5 years old. I have yet to update beyond Monterey though (even though I really should) in case it slows down a bit or the battery life isn't as good.