Options, to put it simply, are just time charging.

If you're the buyer, the time value is like a daily deduction of monthly rent; even if the underlying asset doesn't move, you're still losing.
If you're the seller, it looks like you're collecting rent, but that sudden big move at the end (a sudden large fluctuation) can wipe out all the premiums you've collected and even cause you to lose money.
Many people only focus on the direction, but what really hits you in the face is "what happens within the time you didn't expect."

Recently, there's been talk about tax increases and compliance in certain regions, tightening and loosening at times,
As the expectations for deposits and withdrawals change, implied volatility is easily driven up by emotions:
Buyers become more expensive, sellers seem more attractive, but they are also more vulnerable to single-sided moves driven by events.
Anyway, when I look at the market now, my first glance isn't at the candlestick chart, but at how many days are left until expiration...
Who time favors basically determines whether you're being eaten or you're the one eating.