After a poor start to the 2018 Formula One season, Romain Grosjean eventually bounced back to secure himself a seat at Haas for 2019.
The experienced Grosjean made numerous self-inflicted mistakes at the start of the season - the sort of mistakes you'd expect a rookie to make - and not someone with the vast experience that the French driver has.
In an interview with Motorsport Network, Grosjean has admitted that a repeat performance in 2019 would not be acceptable from his or his team's standards and expectations.
"(I can not) make the same mistakes as I did last season," Grosjean admitted. "I don't think I would pardon myself if I had another start of the season as I had (in 2018). Definitely, a lot learned this year, understanding what had happened.
"I remember the week before the German Grand Prix, I called my manager and I said 'I'm back'. Even before driving the car I said 'I'm back' and I was back. It was just like everything went in the right place and it was like 'fuck, this, this, this, this and sort that out' and I moved on.
"It was a great experience: things that you don't even realise that can bother you."
Grosjean was completely dominated and outperformed by his Haas team-mate, Kevin Magnussen, in 2018 - and the two will be driving alongside each other again in 2019, with both being awarded with new contracts at the American outfit.