There are some works of literature that touch on the theme of sex in a more profound and long - drawn - out way. For example, James Joyce's 'Ulysses' contains some descriptions related to sex and sexual relationships. However, these are not simply about sexual acts but are often used to explore deeper aspects of human nature, such as the relationship between body and soul, and the role of sexual desire in human life. But it should be noted that such works are complex and require a certain level of maturity and understanding to read.
In general, it is not ethical. Such content often involves inappropriate and private aspects that go against moral and social norms. It may also violate the privacy and dignity of individuals.
The filming process for Toy Story 3 lasted approximately two years. This included various stages like pre-production, actual shooting, and post-production for adding special effects and editing.