User blog comment:FairyRaven/Fairy Tail Chapter 400: Wings of Hope, Review and Commentary/@comment-125.60.173.148-20140913130408/@comment-4829046-20140913131326

They could have just used magic to talk to each other while they were inside their children. Grandine has versatile spells, so maybe only she can converse like that. But even then, they didn't really meet.