and we can't do anything about it. That's assuming that the universe will not repeat the Big Bang which Roger Penrose theorizes could happen again after eons of time.
https://www.forbes.com/sites/startswithabang/2018/08/17/the-universe-is-disappearing-and-theres-nothing-we-can-do-to-stop-it/#3a566d09560e https://www.forbes.com/sites/startswithabang/2018/08/17/the-universe-is-disappearing-and-theres-nothing-we-can-do-to-stop-it/#3a566d09560e