The phrase through thick and thin means?

The phrase "through thick and thin" means through good times and bad times, in all circumstances, or under any conditions. It signifies unwavering loyalty, commitment, and support, regardless of the challenges or difficulties encountered.

Here are some examples:

* "They've been friends through thick and thin, always there for each other."

* "The company has faced many challenges, but its employees have stayed with it through thick and thin."

* "My parents have been together through thick and thin, and their love only grows stronger."