Final answer:
Suspicion of Peter being a vampire would likely stem from behaviors or traits that align with traditional vampire lore or metaphorical representations of vampirism in interactions. These can include a fear of daylight, strange eating habits, or appearing ageless, as well as cultural narratives linking supernatural creatures to natural phenomena like full moons.
Step-by-step explanation:
People might suspect someone like Peter is a vampire based on the characteristics and behaviors that are traditionally associated with vampires in folklore and popular culture. Vampires in myths and literature, such as those in Bram Stoker's famous novel Dracula, are often depicted as nocturnal creatures who drink human blood and exhibit otherworldly traits. If Peter displays unusual behaviors that are reminiscent of these vampire traits, such as an aversion to daylight, peculiar eating habits, or an ageless appearance, it could lead to suspicions of him being a vampire. The concept of vampirism can also be metaphorically used in literature and social contexts to describe a person who is charismatic but could be considered parasitic in their relationships or interactions, further fueling such suspicions.
In addition to these cultural representations, legends and stories related to creatures of the night often tie in with natural occurrences like the full moon, which is linked to tales of werewolves and heightened superstitions surrounding unusual behavior. These narratives, like the tale of Professor Lupin from the Harry Potter series, serve to deepen the association of certain traits or timings with supernatural occurrences.