This is an extremely personal question. Experts can't put your answers into our words. Do you understand the questions you are being asked? I can help you figure out what is being asked and how to phrase your answers.
When do you need to answer this by?
are you kidding me?
No, I was not kidding you. But neither did I provide an answer to be accepted or rejected. The question says "your concept" of normative sexuality, and is like a survey. To write a first person essay such as the one your request involves knowledge of that person's beliefs and feelings.
This is what I was trying to explain.
However, I have provided the following in my best attempt to meet your needs. It is based on all recent research in sexual norms and behaviors. I hope you find it satisfactory.
Please let me know if there is any modifications you need or any questions you have. If you are unable to read the file for any reason, let me know and I will save it in a different format or paste the content here.