Talk:A Canterlot Wedding - Part 1/@comment-183.83.74.100-20120313181119/@comment-4742142-20120315194159

"spike=dragon, twilight=pony, is not possible for him to be her brother"

Yes, it is possible. You saying that is like saying that "you don't share my genes or blood, therefore, you're not my mother". Just because one may not be related by blood or species doesn't mean they can't be family.