In my opinion, if I had to say, I think Luffy should end up with Boa then Nami because Luffy and Nami relationship together is like a sibling bond and for me it's weird when people ship them together because I see them as sibling not ass lovers and I hate when I'm watching romance anime and the girl that the main character is gonna be with beats them for no reason it's soo annoying just like the anime toradora tiger was just annoying for no reason because she's keeps beating the shi out of him and it's the same for Luffy and Nami so no I don't think their good for each other