text: But I would probably go more towards elcetric cars to save gas because driverless cars you would still need gas money .Do you want to have extra activities in school to make you more tired and grumpy? NO! You shouldn't have a extra activity if you're not willing to do it. I have 3 reasons why you shouldn't take a extra activity. Doing an extracurricular activity is horrible because, you may have family to go home and take care of, you might have a after school job to attend and; finally, you may have to babysit your siblings.