What is another way to say, ”You’ll get through it.”?

Question

How can I respond to someone who is having trouble staying positive?

Answer 1

There are various ways to say this.

Nothing lasts forever.
This, too, will pass.
You’re stronger than you think.

And many in here: https://www.wiseoldsayings.com/anything-is-possible-quotes/

Answer 2

How do I respond to someone who has difficulties being positive?