Science says the difference between a friend and a best friend comes down to two things

Friends don't materialize out of thin air. To make one, you need to spend at least 50 hours having meaningful conversations — and more for a best friend.
The Virginian-Pilot

Kids’ books with tales of teamwork: What a difference a friend makes

Only one thing helps when you have a crayon crisis, find yourself hopelessly lost or are embroiled in the worst day ever: a best friend. These tales of friends in need will warm your heart and tickle ...
Newsweek

Woman Breaks Down the Difference Between ‘Weekend’ and ‘Weekday’ Friends

In adulthood, time grows precious—are some times more precious than others? A video posted to TikTok by Hayes (@hellohayes) has gone viral for addressing the concern that, if a friend agrees to hang ...