Simon Cowell was nearly paralysed after falling off his new electric bike while at his LA home, according to friends of the X Factor mogul.Cowell, 61, was raced to hospital earlier this summer after the horror fall left him needing emergency surgery.A friend of Simon's said: "He definitely no longer feels invincible and this has been a wake up for him about his health and lifestyle."He was nearly paralysed and feels lucky to be recovering at all."Sources add to The Daily Mail that the fall has made Cowell reevaluate his life.A source told the publication: "The fall was of life-changing seriousness."Some in his circle think it might even make him think again about making a commitment of marriage to Lauren. ‘Never say never'."Reports claim.