That's a cute name... I know someone named Love but this would be her family name. Is it your friend's first name or last name ? Anyway, to answer your question, I think the person who told her she was 'poetry in motion' was making an amusing comment about her being 'live' and 'moving' whereas written poems would be 'still' and 'motionless', since they are just rhymes on paper. Hope th
It's a phrase that means that she is being compared to a live version of poetry - beautiful, artistic, with meaning, something to be admired etc. It is a complement.
Bobby Vee had a song called 'Poetry in Motion' and it crops up in other song lyrics as well.