Neville also held talks with the BBC after announcing his retirement.
"I was interviewed for the Everton job and spoke to Roberto Martinez about going back there as a coach as well," he told the Daily Mail. "I was really impressed. I had also agreed a contract with the BBC and I thought maybe I would take 12 months out, go to the World Cup, learn, do my badges. But in the back of my mind there was always this little thing that I wanted to come back to United.
"The turning point was when the gaffer got the job here. He had been promising me for three years that he would have me on the staff wherever he was. So it seemed like this was fate in a way. He got the United job and I came back home.
"I was delighted when he got the job. I had worked so close to him and I knew more than anyone what it was like to be involved at this club. I knew he would be blown away by the experience of being the United manager. He was born for this job.
"I always felt that when I started coaching I would be worried and nervous but from the minute I walked in to the training ground it just felt right."