"I think success breeds success," Yarnold said. "We've known that from Amy's and Shelley's amazing results in the past.
"Coming into the sport I had such high expectations and knew I could achieve in this sport with such a good team around me. All I needed to do is slide well.
"I don't feel much pressure as I am so excited about racing every time. I am totally focussed into it and it is almost like tunnel vision.
Yarnold's successful season
Three World Cup golds (Calgary, Lake Placid and Winterberg)
World Cup silver (Park City)
World Cup bronze (Lake Placid)
Top of FITB women's skeleton rankings, ahead of USA's Noelle Pikus-Pace and GB team-mate Shelley Rudman
"I am not really in control of it. It is something I have practised so much over the last year that when I get on the start block and put the sled down into the groove and I start running, I am totally in the moment.
"I've got another three races until the end of the season. We've got two races in St Moritz and then Igls before the Olympic selection. I'm taking it week-by-week and race-by-race."
Yarnold returns to World Cup action at St Moritz in Switzerland this weekend.
"I had to put the track notes away for Winterberg and get out the book for St Moritz pretty quickly," she said.
"Racing every single week is more emotionally draining than physically draining.
"I'd love more rest but the ice isn't that long so we have to compete while it is cold and back-to-back.
"Regardless of whether I have competed well or not, I am quite good at resetting and coming to a new track with a new mindset and looking to do my best.
"This year has been especially good and I've been really successful so far.
"St Moritz is the only natural track in the world and where the sport of skeleton originated. The Brits originated it with the Cresta Run and there is so much romance and history.
"It's a pleasure to compete there, sliding on really smooth ice and getting up to speeds of about 135kph.
"Every race I go into, I'm not thinking about the colour of the medal or where I finish. I'm just hoping to do my best.
"It is a tough sport where we compete not only against each other but against the weather and track conditions. I just focus on myself."
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