Learn what "that's what our best friends are for" means, when people say it, and how to use it naturally in English.

It means friends are meant to support each other.
From The Billionaire’S Lost Love, Episode 45
Someone reassures another person that friends are supposed to help in situations like this.
Use this to comfort or support a friend. It is natural, warm, and common in everyday English.
Scenes unlock real expressions as you watch
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