"My brother told me to do it," he said, "but at first I didn't like doing it. I think the way I was doing it was why I didn't really like it.
"As time has gone on, I have changed it a little bit into a new style and now each time I score, I end up doing it.
"I've had a thought in my head about [how to adapt it]. I won't say what it is but obviously as time goes on, I probably will change it.
"I think it is important that someone who scores goals has a celebration, something to be known about. A few other players in the Premier League do it - and I want to make it my own."