After 13 years in Formula One, Lewis Hamilton’s enthusiasm shows no sign of waning. In one area however he may find next season becomes tiresome pretty sharpish. From the moment he returns in 2020, Hamilton is going to be dogged by questions about where he will see out his time in F1: Mercedes or Ferrari. It will be the last of his key career decisions. A choice that could ultimately define his place among F1 greats and one perhaps driven with his heart as much as his head. Gerhard Berger did two separate stints with the Scuderia between 1987 and 1995 and the Austrian understands the visceral, emotional attraction of racing for Ferrari. “For Lewis, I could not recommend to any driver more than if you can at one time in your career take the chance to drive for Ferrari,” he says. “It is an outstanding experience. Driving for Ferrari is very emotionally driven. Some are cold to it, some react very much toward it. Me, I was affected very much because I love Ferrari, I loved the Italian mentality, the brand and I think Lewis would. Most of the drivers love it but it has to be right on…