Simon Cowell is wary of having children with his fiancee Mezhgan Hussainy because he worries he might be too old to play with them.
The "American Idol" judge proposed to the make-up artist earlier this year, and the couple is currently planning their wedding.
But Cowell, 50, admits that the thought of becoming a father troubles him because of his age.
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In a candid chat with Oprah Winfrey, he admits, "I worry about that (having children) because of my age. When I was younger, my dad used to play soccer and games with me and I worry ... that if I was 70 ... "
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The full interview is set to air on May 20.