The defendant wants to hide the truth because he's generally guilty. The defense attorney's job is to make sure the jury does not arrive at that truth. ↗
To me, a sex scene in a movie generally means a gratuitous scene that doesn't serve the story but gives a kind of excuse - we've got these two actors, we want to see them naked, so let's bring in the music and the soft light. ↗
Generally, Hollywood makes the same stories over and over. I've never wanted to do the same thing twice. If a script doesn't surprise me in some way, I simply can't commit to the project. ↗