Do I look like the kind of person who gives a ****
It takes 4 weeks for you to notice your body changing, 8 weeks for your friends to notice, & 12 weeks for the rest of the world to notice. Give it 12 weeks. Don't quit.
Your legs are not giving out. Your head is giving out. Keep going.
Life breaks us all, but you're stronger in the places that were broken. Or you can essentially crumble, give up, and, you know, waste your life.