User blog comment:IamJakuhoRaikoben/Chapter 291: Naval Battle, Review./@comment-376424-20120713030618/@comment-5036235-20120713034501

From this chapter, we can easily see that Natsu is more in anger than Gray, Erza, Gajeel and Laxus. No matter whether you accept this couple the speculation is turning into fact. (I myself don't support this couple much)