About Eliza and Goliath's relationship
when a person romances a humanoid sapient being, mutant being, alien being or magical creature being (ala Mermaid or gargoyle or vampire etc.) then it's ok to love them.
It is a staple in Sci-fi fantasy stories/books where humans romance alien being or magical creature beings. Oh, don't be so small-minded just be free minded. Dating out of your league is one thing, but wading out of your gene pool and into the arms of another species from another world—assuming they even have arms—now that's something special and unique.
Nothing wrong with interspecies or rather inter-being romance as long as it's humanoid being, mutant being, creature being (like mythology) or alien being it worked for Roger and Jessica Rabbit, April and Don in Ninja Turtles, Howard the Duck and Bev in the comics, Star Wars humans and aliens, Star Trek humans and aliens, Eric and Ariel in Little Mermaid, Madison and Tom Hanks in Splash, Betty Boop and Bimbo, Hepizah and Consair in X-Men comics/animated show, Charlene and Vinnie on Biker Mice, Minerva Mink and Rick Mayers Jr. in the fanfiction series Lifestyles with Minerva Mink (Rick is a human and Minerva is an anthro humanoid mink being which makes sense since both are mammals) Duckman who scored with different mammal anthro beings/different birds/even human ladies on the show, Batman and Cheetah on Justice League, Beast and Carley in X-Men TAS, Beauty and The Beast 80's show, Margaret's dad Frank Smith with Denise on Regular Show etc.
I believe in comics especially/fanfiction/sci-fi fantasy stories and books even Star Wars/animation/games/Sci-fi fantasy films etc. that a person
should have that right to love whoever they want to love as the artist or writer thinks so and i support it in interspecies romance even of humans with alien beings/humanoid beings/mutants etc.
As Prince Lir in Peter S Beagle's The Last Unicorn (Book and movie) once said when he found out the loveliest girl he ever laid eyes on and romanced known as Lady Amalthea is a humanized unicorn "Unicorn, mermaid, sorceress, vampire, gargoyle, centaur..no name you'd give her would surprise or frighten me, i love whom i love" which is one of my all time favorite quotes.
"Unicorn, mermaid, vampire,sorceress! No name you'd give her would surprise me i love whom i love"