When adult men get put on the news for raping children they call it rape. When adult women get put on the news for raping children they call it “having sexual relations” That is definitely still rape. If you don’t think that’s fucked up, then you are part of the problem.
In the scene where Sean starts talking about his dead wife and her farting antics the lines were ad-libbed by Robin Williams, which is why Matt Damon is laughing so hard. The scene took everyone by surprise. According to Damon in the DVD commentary, this caused the cameraman to laugh so hard that the camera can be seen moving up and down slightly.