Robbie Hughes' mother Maggie spoke to London Tonight after his attackers were found guilty of assault in Crete.
Robbie, the former Oxford United footballer, was left with brain damage after being attacked while on holiday.
Maggie said after the verdict: "There's no anger, there's no sadness. We're all celebrating. It's just a wonderful feeling."
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Vlogging from her home in London she has become a YouTube sensation, so successful she has just published her first book.
Health union workers were due to walk out on Thursday in a dispute over pay.
Rail services through Farringdon are being delayed again tonight as engineers carrying out safety checks.