Final answer:
Anchises does not just agree to go back home with Aeneas; he provides a philosophical explanation involving Stoic and Orphic beliefs about the soul and reincarnation.
Step-by-step explanation:
When Aeneas attempts to take Anchises back home, Anchises, who is reviewing the souls destined to ascend to the upper world, does not merely comply with Aeneas's request. Instead, Anchises launches into a comprehensive explanation involving Stoic cosmology and anthropology to explain the profound cycle of souls and reincarnation.
Anchises's narrative also includes references to Orphic beliefs, such as the soul being imprisoned within the body, a concept adopted from Plato, indicating a deeper philosophical context beyond a simple return home.