Billy Crystal revealed the secrets behind his 54-year marriage to his wife Janice. The "Before" star said the two shared the common goal of raising a "beautiful family."

Billy Crystal exclusively tells PEOPLE how he and his wife, Janice Crystal, have stayed married for 54 years. At the premiere of his new show, 'Before,' the actor explains they have maintained "respect,

Billy Crystal thinks "humour and trust" are the keys to a successful marriage.

Billy Crystal offered valuable advice on keeping the spark alive in marriage after being married to his wife, Janice Crystal, for more than five decades.In a conversation with People Magazine at