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A tired, sleepy, SUPER ununique addition to this: You're absolutely right! At any moment you can point to either Romantic love, Familial love, or patriotic love. With women like Dido, Creusa, and Andromache you can really see romantic love at its fullest. Dido's love for her husband is SO important and then her forced love of Aeneas is heartbreaking. Creusa might have died uselessly but she doesn't blame Aeneas and she continued loving him even in death. Additionally you have Nisus and Euryalus with their homosexuality and desire to die with eachother (even if it's a rekless desire). With Aeneas his entire journey is driven by fate, yes, but also his love for his people and son. When he’s told to leave Dido Mercury uses Ulus as the reason for WHY he should go, if Aeneas doesn’t he’ll be robbing him of his future. Additionally Aeneas has the epithet of ‘father’, he tenderly cares for his people and does want what's best. We could even take Turnus and his sister Juntara who ends up despising her imortal status because she is forced to live without ever hoping to see her brother again, even in hell. She spends most of book 12 trying to keep him away from his fate because she loves him so much. It’s a story of love and war because neither come without the other.
The patriotic love comes from Virgil himself. yes he was paid to write propaganda for Augustus, but he wrote something beyond that. he wrote a love letter to Rome in all its gore and glory. It's impossible for a man with such strong passion to not write about love.
the aeneid is about love btw. if you even care.