It might take a day, mostly because that day would be spent with Justice testing Zex to make sure he could defend Clair when needed, but if he survived the day it would end well for him. Very well.

Zex was a frickin alien soldier. He would easily be able to protect Claire.

Well Justice didn't care, he still wasn't ganna let Zex by that easily just because he was an alien soldier. He wanted to be 100% sure his sister would be safe as he'd promised to make sure to his mother when she was dying on the same bed she'd had Clarity on. He remembered that day, so did Valore. And he wasn't about to break that promise with assumptions, even if he had to get Zex to fight him and break every bone in his body. He would NOT risk his sisters safety or risk breaking his sworn promise to his dying mother.

Well, even if Zex wasn't a soldier, he would still protect Claire. No matter what.

Well he better, if he ever failed....Justice wouldn't hesitate in killing him good and slow.

He wasn't very good at failing to protect people.

That was good, because that would keep him safe from Justice's rath ... well, most of it that is.

Probably not all of it, though.

Yeah, he'd have to spend a day with future brother-in-law dear going through a few things to prove to Justice that his sister would be utterly safe and fully loved.

Zex would be completely fine with that. Since it was for Claire.