"The understanding between us is magnificent," he told arsenal.com. "That is what is giving us strength at the moment.
"He likes to have the ball at his feet more than I do. He likes to get off the front line and he has the technical skills to do that. I am tall, I can climb high and I can go deep. I am more of a pivot for the team.
"At the training ground in the 10 v 10 games and the 8 v 8 we are always on the same team. Automatically he tells me where he wants the ball to go and I'll tell him where I want it to go.
"We do enjoy each other's company and we talk a lot. There is a lot of discussion.
"But there is no jealousy. If it is not me who scores then it is going to be him and that is good for the team."