Callum was born 11 weeks prematurely, and spent seven weeks in hospital before being allowed home just in time for Christmas.
But now Callum is home safe, Olympian Chris can really start enjoying fatherhood – which comes with all sorts of amazing moments and perks.
Like parent and child parking spaces!
Chris cheekily tweeted his joy at realising he qualified for the competitive spaces, saying:
Becoming a Dad has brought me so many moments of sheer joy. Like 2day when I realised I can park in the parent&child spaces at supermarkets.
- Chris Hoy (@chrishoy) January 6, 2015
Naturally he was inundated with parents (and non-parents) talking about the drama that comes with the spaces. One pretty much summed it all up, saying:
@chrishoy wait for the pure undiluted rage when people without kids park in them.spaces
- JenJenJenJenJenJen (@Jenlovescycling) January 6, 2015
Chris's son Callum's due date was December 27, but he arrived in a rush in October, 11 weeks early.
The new parents were finally able to take him home in December, with Chris proudly showing off how far his little man has come with these beautiful photos:
Today was Callum's due date, but he arrived 11weeks early. Amazing how far he's come since then, we're so thankful. pic.twitter.com/1sbfrpot2j
- Chris Hoy (@chrishoy) December 27, 2014
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