Solve the riddle:
More precious than gold, but cannot be bought,
Can never be sold, only earned if it’s sought,
If it is broken it can still be mended,
At birth it can’t start nor by death is it ended.
What is it?

Below you will find a hint and the correct answer to the riddle.
Little hint:
Show Hint
Hint: Fri*n*sh*p
Right answer:
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Answer: Friendship.