Contented and at peace with her life, Bollywood actress Dia Mirza, who is set to marry long-time boyfriend and businessman Sahil Sangha next year, credits him for bringing a lot of calm and confidence into her life.

The 31-year-old co-owns production house Born Free Entertainment along with Sahil and Zayed Khan. "Love Breakups Zindagi" was their first venture.

"A professional partner and a life partner have an integral role to play. Sahil is my peacemaker. He brings calm and a great sense of confidence into everything I do. He is an incredible human being. He is extremely talented, " Dia, who has so far worked in over 30 films, said in an interview.

The "Rehnaa Hai Terre Dil Mein" fame actress is excited about after-marriage.

"I will marry him next year. I don't know how things will change...everyone tells me that everything changes. I guess I will live and learn. I am exited, I have lots of wonderful things to look forward to, " she said and added this happiness also helps her stay in shape.

Describing herself as a disciplined person, Dia said: "When you are happy and have a balance in your life, it shows. I am very disciplined. Anything, which I take up in life, I do it consistently. I exercise, I do yoga, meditation and practice the art of living. I do functional training and work out with weights. I focus on breathing and flexibility."

What is one thing that you can't stay away from?

"The only thing which I haven't got committed to is a diet. I love to eat and Sahil is also a foodie, so we love to cook, " she said.