Peacock/NBCUniversal/Getty ImagesThe drama has already begun on Love Island USA Season 8, and one couple is squarely in the center of all the chaos. Melanie Moreno and Sincere Rhea’s romance got off to a good start when they coupled up in the premiere, but new bombshells entering the villa put some strain on their connection. Though Melanie and Sincere managed to find their way back to each other through some tricky love triangles, viewers are s…