'I felt I was going to hit 40 and I wanted another opportunity as a dad,' he revealed.
'The trouble with being divorced is you're a father part-time. I hate that,' Grant added
'I knew I wanted more children but only with a committed person who was going to be a life partner.'
The pair have been dating since 2015.
At the time, Grant’s brother Craig said his swimming star brother is “a completely different person” from the champion that not long ago had ‘the world at his feet.’
‘He’s a danger to himself. He’s a danger to the community,’ Craig told news.com.au.
‘The Grant Hackett that Australia fell in love with, they can still have that affection towards him,” he continued.
‘This is not Grant Hackett.’
‘I don’t know this person. I don’t know this person, my mum and dad don’t know this person. He’s there in body, but he’s not there in mind, soul or spirit.’
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