User blog comment:Crazylittlefreakgirl/Fairy Tail Official Pairings?/@comment-108.226.94.13-20131202044715/@comment-7418318-20131202080832

Maybe in the anime with the whole added "I believe in you" scene and all the blushing in it.

But in the manga all that happened between them can be explained away with a deep (non-romantic) friendship. Expect for the boob-grabbig, but that felt more like a prank or a real misunderstanding of what Lucy meant, as he claimed, rather than Natsu giving in to his desire...