I grind fates but I'm only 38/15/8/11/14 I think I leveled last night. But I don't play much with work, gym, etc. I personally feel a little bored with just fates and story quests, but at the same time I really don't want to start up doing quests again and hunting them down.

I also agree that at 50 mobs exp should replace with something else, even a small amount of seals.