Runaway.
One of the worst things I've ever done to my mom was trying to run away when I was thirteen. I honestly attribute this to a lot of my later problems in life and think of this as the forking-path, where I was presented two choices and either would greatly determine which way my life went afterwards. I day dream alot about what my life would have been like if I hadn't run away, maybe I would have died if I actually made it to California like I planned... but I can say with one-hundred percent certainty, the reason I would change this particular moment is because I am a mother now. I feel every pain I ever caused to my mom when I see my innocent little girls face light up when she sees me come home and I think, "how could I have wanted to take that away from my mom." So, I guess if I could change one thing about my past, I never would have taken my moms love for granted.