Michael Douglas reveals in his memoir "One Helluva Ride" that he called five women in one day to prove his commitment to Catherine Zeta-Jones.
https://www.foxnews.com/entertainment/michael-douglas-reveals-made-five-phone-calls-five-women-day-chose-catherine-zeta-jones
https://www.foxnews.com/entertainment/michael-douglas-reveals-made-five-phone-calls-five-women-day-chose-catherine-zeta-jones