How did exercise change your life?

I'm 17 and i started working out at a local gym just over a month ago. I go 4+ times a week and i feel a litter better compared to normal - Have more energy, can focus on individual things more efficiently and i obviously look slightly more toned which has boosted my confidence a little. The reason why i am asking this question is basically for motivation to keep me avoiding them days when i think 'Oh i cba to go gym today', it should also be nice for you to get some recognition for what you do :) Thank you.