Life was a very serious, angry business. The tone in your house put a damper on your fun. Eventually, you just went along with everybody else. Having fun just was not fun. The spontaneous child within was quashed.
Adult children have difficulty with intimate relationships.
The feelings of being insecure or having difficulty in trusting, and of questions about whether or not you are going to get hurt are not exclusive to adult children. These are problems most people have. It is simply a matter of degree, your being a child of a alcoholic caused the ordinary difficulties to become more severe. Adult children over-react to changes over which they have no control. The young child of an alcoholic was not in control.