My only reason for not really thinking that is Amythest and Pearl's relationship toward each other makes their fusion last such a short amount of time. And they're actually friends. There may be something to that, though… Hopefully we'll learn the truth!

I'm just gonna copy/paste from my tumblr: Since gems seem to need to be in agreement or be in harmony to stay fused it obviously means that Lapis feels that their mission is evil -or at least very wrong-, and that Jasper could subconsciously agree and overcompensates by being extremely unrelenting in their goal to…