As you can see, Oda's quote does not acknowledge Luffy x Nami in any specific way, but it does confirm One Piece in Love is an official spin-off of the series.So, while this may not be how you saw ...

To date, Boa x Luffy has become one of the anime’s most popular fan-ships, and it continues to grow. There are plenty others who would prefer Luffy with, say, Nami or even Robin.

One Piece stunned with Luffy’s big Gear Fourth moment in the newest episode of the anime! Now that Toei Animation and Shueisha have celebrated crossing the monumental 1000th episode milestone ...