Strength isn't size. Power isn't bulk. While men tend to build more muscle and grow bigger, that doesn't necessarily mean they can fight better. What people fail to realize is: more mass slows fighters down, and more importantly, women are strong. As women, we tend to feel weak because we're defined as weak.
How many times have you heard a teacher ask "the boys" for help carrying stuff? Or have you ever heard someone being made fun of for "punching like a girl"? These subliminal messages solidify the belief that women are weak. It's time to change that.
Learning self-defense techniques won't help if you can't own your space.
Have you ever noticed that a young girl who leads her peers is called "bossy"? These traits are described as masculine, causing women to feel "imposter syndrome."