Terri Irwin expressed her anguish at Nickelodeon's 20th Annual Kids Choice Awards in Los Angeles on Saturday.
The mother of two tells People.com, "It's extremely difficult. Part of me is still waiting for the day that he walks through the door.
"We have so much footage of Steve and we watch it so it's like we almost get to see him every day. The kids and I have good days and bad, but you just deal with it as it comes."
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