Bad day???

This morning i did something that really really bad.... I HURT MY MOM!!! This morning my mom ask me 4 some help, but i'm not in the good mood n i don feel lik helping her, i didn't say no. But i said 'don't u do it your self' thats really really hurt my mom..... After few seconds i was lik 'wth wrong with me???' how can i said all this? its really really hurt... after few mins i apologize 2 my mom she crying while she scolding me.... ' IF I CAN DO IT MY SELF Y MUST I ASK 4 YOUR HELP??? '