The actor split from Holmes earlier this year--just before the former Dawson's Creek star started dating Cruise--and, though Klein admits he was heartbroken, he understands it was time for his ex to move on.
He says, "As people grow up their tastes change and I know that, growing up and becoming adults, the direction she and I wanted to go in changed a little bit. When it was time to split it was time to split and when you know you know."
Meanwhile, Klein is convinced his ex will make a great mother: "I know that when she and I had a relationship she was always very fond of kids and was always good with her nieces and nephews."
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