His desire for the truth.
He grew up with impoverished beginnings in Los Angeles with his extended family. He was satisfied with his life, but always wanted something more, to find the truths of the world around him. During WWII, he was forced into an internment camp. Scarred by his experiences, he moved to New York City and struggled to complete his academics. With little opportunities afterwards, he moved to Scarsadale, where he found a job as a journalist at a small Asian-American newspaper press.
They met during one of Raymond's few ventures into New York City after he heard about the underground gay scene. The two are practically attached at the hip.