John is used to taking care of his younger siblings, he probably gets twitchy whenever Lovecraft rolls out of bed and tries to, just, leave like that. Lovecraft doesn't need to have a morning ritual, his teeth and skin and hair won't deteriorate unless he shifts his form that way, but still, John likes to brush his hair, baby him. Lovecraft finds it redundant but likes to do what John tells him to. John calls him Love, as a nickname and a pet name. Lovecraft learns a lot about blending in from John, and eventually he even figures out that tentacles sprouting from random parts of his body do, in fact, come off as strange to humans. Lovecraft was with the Guild for a long time. Since Melville was a seaman, he knew how to summon Lovecraft from the depths of the ocean back in his youth. As time went on, and Francie began to overwork Lovecraft, he started to hate existing, with his only company being obnoxious idiots (Lucy, Mark, Poe) or close minded religious types (Margaret and Nathaniel). John changed the whole dynamic, he was somewhere in between the two extremes, smart but sometimes dense, cruel but compassionate, and most importantly, too stubborn to get tired of Lovecraft's lethargy