The 47-year-old actor said he shares the anxiety of a newcomer when it comes to Sara's film, which is slated to release in December.
"Sara has her whole life ahead of her. It feels like it is my debut film that's up for a release. It's her dream and I hope all her dreams come true," Saif said in a press conference here.
The actor is equally excited and scared for wife Kareena Kapoor Khan's much-awaited "Veere Di Wedding" but said it would be wrong to call the film her "comeback".
When someone called the film Kareena's comeback, Saif quipped, "Had you asked this question to her, she would have probably thrown something at you, like a shoe, maybe. As according to her, she has always been around."
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The actor praised Kareena's dedication to her work.
"She's a great artiste and I have seen how well she has concentrated n her health and fitness," he added.
Asked about the Supreme Court's decision that playing of national anthem in cinema halls before a film's screening is no longer mandatory, the actor said he has always supported the administration but urged the government to look into the Section 377, which criminalises homosexuality.
Saif, who was in the capital to promote "Kaalakaandi", faced some bizarre questions at the press conference but ever the gentleman, he replied to each one of them.
He, however, looked exasperated when someone pointed out that cuss-words in films leave a negative impact on children.
"This is a wrong question. We will not answer this. It is not our job. Our job is to just make films," he said.
"The film getting an 'A' certificate is justified as sometimes the children should not watch certain films. I agree with the censor board. I don't want my children to listen to abuses," said the actor on a question that the film had received multiple cuts because of expletives.
The movie is directed by Akshat Verma of "Delhi Belly" fame and releases this Friday.