Takeuchi would've been dead, he was meant to die in that moment if it hadn't been for you stopping Luther and Randle.

You thought it was unfair you were the only one out of your brothers to not have a pet of your own, heck you were more cuter and 'human' than them!

Robert wasn't going to deny that he didn't both enjoy nor hate being your pet. He got to live in better comfort with the cost of always being near you. He was your pet after all.