Also, if you're literally there for eternity wouldn't you eventually run out of things to do?
Like after millions/billions/trillions of years you would literally have done/said/thought everything it's possible to do and you'd just be on repeat for eternity.
Eternity is outside of the time dimension.
The only reason you know of time is because of sin.
Time is the countdown to eternity. Your life is your own personal countdown.
This dimension is going to be destroyed, and a new one will be created.
Years, centuries, and millennia won't exist in eternity.
GOD already told us He will create a new existence.
A new Heaven and New Earth.
But a lot of people won't make it to see it.