Haha! They could end up being step brother and sister bahahahaha!! Best sibling relationship possible!
Haha, I doubt it, he's a bit of an unstoppable force when fighting, so he'd probably just ignore anything that his power didn't recognise as a physical force :P
BUT YES! We should talk to Ichi and Super about maybe a relationship growing between Ari and Marcus, and Aerous and Cammy, ooooo the fun that we could have trying to stop the relationships!