Red Bull driver Daniel Ricciardo has said that Sebastian Vettel is his own worst enemy and his successful run a Red Bull is a consequence for his Ferrari frustrations.
Sebastian Vettel won four consecutive titles for Red Bull before a switch to Ferrari in 2015. Despite claiming three victories in his first year for the Prancing Horses, Vettel endured a woeful 2016 campaign.
"I think Seb is pretty unique," Ricciardo says.
"He is probably someone who does live and breathe it more than most and, you know, it seems like ... the majority of his life is the sport and being world champion.
"And again, that is not a bad thing, but when things are not going as you want, those frustrating ... things can build up because that is what you are really looking at in life."
Ricciardo thinks that Vettel became accustomed to winning races and titles, which is why he is so frustrated at Ferrari.
"I think for him he had a dream with Red Bull, you know one of the best runs in history, four straight titles.
"So I think for him he probably expected to have a dream run with Ferrari and it hasn't come as soon as he would have liked.
"Yeah it's frustration, but he is super talented, I think that sometimes he is his own worst enemy in terms of that frustration side of things ... When he cools down he's cool."