User blog comment:FairyRaven/Exceeds and Earth Land Counterparts/@comment-904888-20120820112643/@comment-5268982-20120820194138

Well, most of your points are really justified and thought out, but I'm not so sure about some other ones. for example:

1)Shagotte told Carla, after the Edolas events, that there was no mission and she just misinterpreted her dreams. So the eggs were not purposely left close to Dragon Slayers.

2)That can actually be true, and fits Gajeel's personality. However, as you said, it can be neither proved or disapproved.

4)Yeah, but does motion sickness have to do with how much one uses his dragon slayer abilities? This is another point that cannot be proved or disapproved. However, Gajeel was just as strong of a Dragon Slayer as Natsu when they fought, so I think he was training with Metalicana as much as Natsu was with Igneel, even if their relationships were not the same.

5)That's what I think too, actually. Maybe it is just an exception.