hanging in there

hung in; hanging in; hangs in. Synonyms of hang in. intransitive verb. informal : to refuse to be discouraged or intimidated : to keep going, trying, or working in a difficult situation.

Hang in Definition & Meaning - Merriam-Webster

The phrase "Hang in there" is an idiomatic expression that encourages someone to persevere through a difficult situation or challenging circumstances. It suggests that the person should continue to endure, remain steadfast, and not give up, even when things are tough. The phrase conveys a sense of optimism that if the person persists, they will eventually get through the hardship they are facing.

Originally Answered: How do you respond when someone says “hang in there”?
I respond with a smile, even if it is forced.

“Hang in there” is a statement of support to ones emotions for the situation at hand. When someone says it to me, they are encouraging such support. It is appreciated.