Complex sentence: The friction between father and son was constant throughout his childhood and adolescence, yet in interviews after his arrest, although Gacy regularly commented that he was "never good enough" in his father's eyes, he always vehemently denied he hated him.
Split into simpler sentences: The friction between father and son was constant throughout his childhood and adolescence. Although Gacy regularly commented that he was "never good enough" in his father's eyes, in interviews after his arrest he always vehemently denied he hated him.