Adding to her anxiety is the fact that the couple would have celebrated their sixth wedding anniversary on Nov 18.
"She’s got to be torn up emotionally because it dredges up both good and bad memories of their marriage," said the source. "And there will be a battle over Suri’s affection for the holidays. Katie must be fretting over where Suri should spend Thanksgiving and what she should buy her for Christmas. There's always the worry that Tom will outdo Katie and make her feel inadequate as a mother," said the source.