Complex sentence: Adele continued to suffer with writers block, until she met with producer Greg Kurstin, during the meeting with Kurstin Adele had a "breakthrough" stating that when she worked with Kurstin "it all poured right ouf of me".
Split into simpler sentences: Adele continued to suffer with writers block, until she met with producer Greg Kurstin. During the meeting with Kurstin, Adele had a "breakthrough" stating that when she worked with Kurstin "it all poured right out of me".