His lover is Psyche.
There is a famous statue which many people think is to Eros, but is actually to Anteros in London in Piccadilly Circus.
From the name Eros we get the word erotic, meaning: to do with sexual love (passionate and physical). There is also a noun: eroticism.
Eros is the son of Aphrodite.
Eros' main myth is: "the myth of Eros and Psyche" in which Eros and Psyche fall in love after psyche is put through tasks by Aphrodite.