Mo Farah has sacrificed spending time with his family to concentrate on training. At one point he was spending so much time away, that one of his daughters didn't even recognise him.
Farah said: "She didn't recognise me. Now she's getting to know me a bit better. I've been giving her sweets and chocolate, kind of bribing her a bit!"
More top news
The twins cubs, which were born in June, have been named Bert and Ernie after characters from Sesame Street.
The two victims died from their injuries in hospital after the explosion in Hertfordshire.
Investigations are continuing into the cause of the crash in chigwell which killed both people on board.