"Normally, positivity will go hand in hand with negativity. But the clause you're introducing is something just beyond negative and positive…"
"What clause?"
"Mana. Mana can be negative, it can be positive, it can be neutral. It is beyond negativity and positivity.
And mana is very well conscious, even at its basic level. When you try to fuse such an energy into something which could be well-defined as lesser, then there should naturally be some resistance.
The ultra-strong won't want to bond with the weaker if there exists a possibility of it naturally bonding.