[NoemiChan]

Originally Posted by Kudryavka

I heard for some popular manga series the magazine will tell the writer to keep writing even when he wants to stop and do a new story... that may be the case with One Piece, but I have no proof, just throwing out a possibility. One Piece is by far the King of Shonen Jump right now, so it is very possible for it to be true.

We could also say "He will continue to add more stories as long as his works sells",