Maya Yoshida believes he is entering a prime point in his career, after signing a new contract on his 29th birthday.
Yoshida put pen to paper on a fresh three-year deal on Thursday, which would see his time with Saints extend to eight seasons.
Having become such an established part of the squad, the Japan international is excited about what lies ahead.
"I am 29 now and I think that's a really good age for my career," he said. "I hope it's going to be a really special time for the club and we will achieve more and more. That's why we need to fight for some achievements every day.
"I have been here for five years. The club trusts me and the manager trusts me as well, and that makes me have a really good feeling.
"I understand my position right now, and I would like to be the role model for the young lads. It's not easy, because every day, for 24 hours, I have to be professional and give everything to myself and the club, but I am used to doing that."
Having fought hard to earn a regular place in the starting line-up, Yoshida hopes he can continue to hold onto that spot.
"The previous three years I couldn't play constantly, but I have done what I needed to do, and that's why when the chance came I grabbed it," he said.
"I don't want to lose my place, of course, and every game, every moment, I have to fight for that. It makes me really stronger."