worked with the pair on State of the Union, later said: "We all knew, but nobody ever said anything. In those days it wasn't discussed." Tracy was not someone to express his emotions, but friend Betsy Drake believed he "was utterly dependent upon Hepburn". Tracy's infidelity apparently continued, however, and he is reported to have had an affair with Gene Tierney during the making of Plymouth Adventure in 1952. Neither Tracy nor his wife ever pursued a divorce, despite their estrangement. He told Joan Fontaine, "I can get a divorce whenever I want to, but my wife and Kate like things just as they are." Louise, meanwhile, reportedly commented, "I will be Mrs. Spencer Tracy until the day I die." Hepburn did not interfere and never fought for marriage. Character Tracy was an avowed Catholic, but his cousin, Jane Feely, said that he did not devoutly follow the religion: "he was often not a practical Catholic either. I would call him a spiritual Catholic." Garson Kanin, a friend of Tracy's for 25 years, described him as "a true believer" who respected his religion. At periods in his life, Tracy attended Mass regularly. Tracy did not believe actors should publicize their political views, but in 1940 lent his name to the "Hollywood for Roosevelt" committee and personally identified as a Democrat. Tracy struggled with alcoholism throughout his adult life, an ailment that ran in his father's side of the family. Rather than being a steady drinker, as commonly thought, he was prone to periods of binging on alcohol. Loretta Young remarked that Tracy was "awful" when he was drunk, and he was twice arrested for his behavior while intoxicated. Because of this bad reaction to alcohol, Tracy regularly embarked on prolonged periods of sobriety and developed an all-or-nothing routine. Myrna Loy said: "Days of drinking had left him belligerent." Hepburn commented that he would stop drinking for "months, even years at a time" before falling off the wagon without warning. Tracy was prone to bouts of depression and anxiety: he was described by Mrs. Tracy as having "the most volatile disposition I've ever seen—up in the clouds one minute and down in the depths the next. And when he's low, he's very, very low." He was plagued by insomnia throughout his life. As a result, Tracy became dependent on barbiturates to sleep, followed by dexedrine to function. Hepburn, who adopted a