Lena Dunham has claimed that it is very important to know each person's personal limits while shooting a sex scene.
The 27-year-old writer, director and star of TV series 'Girls' added that it needs to be seen if a person is going to be comfortable if you improvise slapping their ass, or if it's going to make them feel really weird and violated, Metro.co.uk reported.
Dunham has been near-universally praised for her boldly honest approach to sex scenes in the show, which shows the struggles of four twenty-something women living and working in modern day New York.
