User blog comment:Raptor of Love/How will Luffy return his hat/@comment-3075024-20120808163705

That hat to Luffy is like a favorite terry bear or blanky to a little girl, .. can't sleep without it. So, it will be really while before Luffy will decide to return that hat and Oda is not planning to do it any sooner either since that hat is one of the piller that plot of OP is standing on.