Olympic champion Ariarne Titmus is in "hibernation from life" outside of swimming as she readies to defend her 200 and 400 metres freestyle titles at the Paris Games. Titmus has emerged from her punishing training regime this week to compete at her home Australian Open Championships on the Gold Coast and get a measure of her progress. "Basically I am in hibernation from life other than swimming," she told Australian media. "That is what I'm saying to friends that I just forget to text back. "