I looked at the clock ticking , I asked myself , what if I can turn back time ? I'll turn the hands back to 10 minutes ago ... My co - worker came to talk to me about a problem But I was too irritated ... I couldn't even smile at her . I'll turn the hands back to 12 hours ago ... My brother asked for help with homework But I was too busy ... I snapped at him and turned him down . I'll turn the hands back to 8 days ago ... My friend came to apologize for a mistake she did But I was so hurt ... I stuck to my pride and turned away . 
Question: Why does the narrator want to turn back time ?
Because they feel that they have treated others badly