"He's someone that wants to learn i'm really happy to give him advice".
But with Lukaku, now flourishing at Manchester United and knocking in 11 goals in eight appearances during Belgium's unbeaten World Cup qualifying campaign, Martinez may have found the missing piece of the jigsaw.
England and Belgium are level on points and also boast identical goal difference after two matches, meaning the outcome of Thursday's game will determine who finishes as the victor of Group G. One of the big turning points in France was his inexplicable decision to make six changes for the final group game against Slovakia - England's failure to win meant Wales topped the group and went on to the semi-finals.
"Both teams will try to press each other very high and try to win the ball and dictate play".
But back home, Belgians are expectant, yet also fearful of how future opponents will now respond: "The whole world will now see Belgium as favourites - a giant", wrote commentator Stefan Keygaert in Het Laatste Nieuws.
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Stones added that he would "love" to face Belgium forward Romelu Lukaku.
And maybe no sign of the World Cup's leading goal-scorer, England captain Harry Kane, taking on Tottenham clubmate and Belgium defender Jan Vertonghen. We're nowhere yet. It's only in the second round that the tournament will start. Hazard scored with a sixth-minute penalty kick he earned by being tripped, and Lukaku angled a low, left-foot shot into the corner of the opposing goal. I think we've got to keep a winning run going. So, I think that's risky territory if we start trying to plot and predict where we might end up.
"I restate that the title of top goalscorer doesn't interest me", he said.
As a result he has become the first player since Diego Maradona to accomplish such a feat in the World Cup.
Ominously for England, Martinez said there is more to come from a Belgium team growing in confidence, but who are far from the finished article. The pressure is a little bit gone but on the other hand you want to have a good feeling going into the next round. It's not every time you go through after two games, so we're happy with that.