There is no frame of reference for what it is like to be in a normal household. You also have no frame of reference for what is O.K. to say and feel. In a more typical situation, one does not have to walk on eggs all the time. Because you did, you became confused. Many things from the past contributed to your having to guess at what normal is.
Adult children have difficulty in following a project through from beginning to end.
In a functional family, the child has this behaviour and attitude to model. The child observes the process and the child may even ask questions along the way. The learning may be more indirect than direct, but it is present. Since your experience was so vastly different, it should be no surprise that you have a problem with following a project through from beginning to end. Adult children lie when it would be just as easy to tell the truth.