The England Under 21 international has signed a new five-year contract with the Toffees.
Manchester United, Chelsea and Arsenal are among the clubs reportedly keen on the youngster.
“It is a brilliant day for me. I’ve been at this club a long time and to sign a new five-year deal is amazing,” he said.
“I’ve been with Everton since I was seven and at that age you don’t really think about the first team. It is only about 16 when you think you start to realise you might have a shot. To play for them is an honour, to get this contract is even better.
“I have been happy at this club ever since so when I got offered a five-year contract I was delighted to sign.
“It is flattering, obviously, because to be linked with clubs like United is an honour but I’m perfectly happy to be here and it is a great club.
“I’ve kept calm and just focused on my football day to day. I trained hard and played hard and knew everything would take care of itself.
“I’ve not had major discussions over it (the new contract), it has not been an issue. I’ve just got my head down and played my football.”
“I’ve always had the belief in myself,” he added.
“I’m not surprised (by my progression). I’ve done well and although I wouldn’t want to put too much pressure on myself there is a lot more to come.
“I’m my own player and would like to build my own game naturally as it comes within the next few years as I’ve got my own style.
“The main thing now is for me to become a regular and things like goals and assists will be a bonus.”
