Coleman admits he now feels secure at Everton after penning his new deal, but it wasn't always that way after he arrived with plenty to prove in 2009.
"When I first signed it was a two-year contract I think and I just looked at it as more of a long-term trial. I was here to try and prove myself and that I was good enough to take the massive step from the League of Ireland to the Premier League here," he told evertonfc.com.
"It was difficult making the transition but I just went out and tried to play my game and thankfully had a good year of it. It was something I'd always dreamed about so I just tried to grab it with both hands.
"Last year I had some injuries and a dip in form but I kept working hard, which is one of my attributes. Thankfully I got a run in the side in my favourite position this season and I enjoyed it. I think if you work hard enough anything is possible. Some lads are born with loads of natural ability and maybe I wasn't one of them but I've worked hard growing up and luckily I've got where I wanted to be.
"If you want it bad enough and there is some ability there it can happen for you.
"Since I've done it James McLean has come over as well so it proves it can be done."