[ Does he argue less with Luida out of politeness, or because she's right more than Knives was? Hmmm. Who can say? ]

Not just because of that! [ He'd give Knives a poke for that, if his hand wasn't already being used as a pillow! ] She's also a good person, Kni. One of the best you'll ever meet. She's spent her whole life doing everything she can so humans and plants can live together. They've even managed to contact Earth!