It's good that you are making plans for the future, and thinking about what kind of father you will be. Many people don't do this, they just kind of fall into parenthood and make it up as they go along. However, since that is till in the future, you need to live for now, today. Plan, but don't obsess. Besides, no matter what you map out for you and your possible future family, most likely things will be drastically different. Stop worrying!