Kevin Kline says the secret to his 35-year marriage to Phoebe Cates isn't a 'Hollywood marriage'

Kevin Kline and Phoebe Cates.LGI Stock/Corbis/VCG via Getty Images Kevin Kline and Phoebe Cates are a rare example of a long-lasting celebrity marriage. The two have been married since 1989. Kline credits Cates — and the two who don't live…