What i would like to change myself

i have a lot of thing to change about myself. Even it is hard to do but i will try my best to do that.1st of all, i want to change myself to be more positive about all the thing i do, it is becouse before this i does not take it seriously. Next, i will try to be on the time come to the class, it is becouse i'm always late come to the class. i also not concerntrate in class, after this i will try to be more concerntrate in my class.for the last thing that i think it is very important to i change about myself is i had to do a lot of exercise. I think all of you know why i want do that.ahahahaha