What about the rest of your life?"She shrugged. "What about it?""Aren't you worried about, like, forever?""Forever is composed of nows," she says.

Who am I to say that these things might not be forever? Who is Peter Van Houten to assert as fact the conjecture that our labor is temporary? All I know of heaven and all I know of death is in this park; an elegant universe in ceaseless motion, teeming with ruined ruins and screaming children.

...she wasn't the sort of person to make false promises, and most promises featuring the word 'always' are unkeepable. Everything ends, or at least everything humans have thus far observed ends.

It seemed like forever ago, like we've had this brief but still infinite forever. Some infinities are bigger than other infinities.

In my memory, it doesn't end. We just stay there, looking at each other, forever.

You gave me forever within the numbered days.

Some infinities are bigger than other infinities"- The Fault in our Stars

but even if we survive the collapse of our sun, we will not survive forever.