Im starting boxing and i have to so all theese situps push ups, jump roping etc etc et c agility drills, i just wanna learn how to defend myself. is all this necissary? im in high school n i need to know how to protect myself

You say you are starting boxing but then you say all you want to do is defend yourself and learn how to basically street fight? Those are two different things I would have to say. All the situps,push ups, running, sprinting, eating healthy, it all comes as one. All or nothing.