Exercise improves your mental health and can benefit how you and others feel about your body. Good grooming is also important. You show others how to respect you when you treat yourself with respect
In my experience there are plenty of programs/initiatives for precisely those types of things. (I also want to note that a job is by definition not a hobby, but OP considers belonging to a specific fandom as a girl hobby so I'm not sure what definition we're working with here.) Edited for subject verb agreement, I posted before coffee like a dummy
There's plenty of encouragement for men to be nurses, teachers, etc., maybe you haven't seen or noticed them because you're looking for things to get angry about Edited to add "for men" for clarity