Abusers make life hard on all family members, including themselves.
If you feel you are abusing your power, please make an appointment with a qualified counselor. Admitting there is a problem is the first step towards solving it. Talking about the problem is the second step. The third, and hardest step, is to take responsibility for your actions and your actions only. Never place responsibility for what you do on another person. All people have the power to choose their own actions.
Experts now advise against spanking.
Spanking is legal in most jurisdications and I won't say it is always wrong. However, few people have enough knowledge of child psychology to understand the whens & whys of corporal punishment. So, for punishment it is best to skip the spanking and go for the time out.