What can you do when you witness a loved one being treated poorly by their partner, and how should you handle it if they seem unaware of the issue?

Why are East Asian women (China, Japan, Korea) so attractive and beautiful? Is it because they take care of themselves and don't get fat as much as white, black, and Latina women?
What are some hobbies that can help reduce frustration while studying for competitive exams, and how do I choose the right one for me?