Complex sentence: Mel ran away with Arthur while Greg had a DNA test, wanting to prove Ashley wrong but it confirmed that Arthur wasn't Greg's son and he bonded further with Laurel over stories and pictures of Daniel.
Split into simpler sentences: Mel ran away with Arthur but Greg went for a DNA test, wanting to prove Ashley wrong. The test confirmed that Arthur wasn't Greg's son and he bonded further with Laurel over stories and pictures of Daniel.