Amy Schumer, who stars in the new movie Trainwreck that she co-wrote, opened up about writing the sex scenes and being called fat by a critic.

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On Thursday, The New York Times posted an interview with several film professionals who discussed the logisitics of sex on screen.

Schumer was one of the interviewees and her take on writing sex scenes is priceless.

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"I think I overwrote the sex scenes. It was probably half a page of very specific stage directions before I even said one word in the movie," she said when asked if it was better to write, rehearse, choreograph or just let the camera role for sex scenes.

When asked if she worried about being nude and wanted to cover up after the shot, she responded: "I am sort of a boundaryless person, which is something I'm working on. In our house, nudity wasn't a big deal, so that was never an issue for me."

When asked if the actors expressed worry about their bodies, Schumer who was seen naked in the film, responded: "I definitely was saying to my sister [a producer on the film], do I look O.K.? They want us to look good, so they're not going to be like, 'Oh, cool, look what a realistic cellulite shot.' Beforehand I tried to look good; once they're rolling, it's the last thing on my mind. [But] I definitely skipped Taco Tuesday that day."

In fact, Daily Mail reported that a writer comments on the actress's looks and weight, calling her "chubby," and noting that her "wide facial features remind him of a "blonde Lou Costello."

Schumer didn't hesitate to respond, and she did in the best way possible. She shared a photo of herself just in her underwear on Twitter. She was seen wearing just udnerwear and heels while holding a microphone in the picture. It was accompanied with: "I am a size 6 and have no plans of changing. This is it. Stay on or get off. Kisses!"