To dream that you are happy, may be a compensatory dream and is often a dream of the contrary. You may be trying to compensate for the sadness or stress in your waking life.
To see your stepdaughter in your dream suggests that you are trying to establish some boundaries without stepping over anybody's toes. It is important to consider your own waking relationship with your stepdaughter and your feelings towards her. If you do not have a stepdaughter, then the dream may really be about your daughter or some young female figure in your life. It could also point to the feminine aspect within yourself.
To dream of happiness may reflect waking life situations where you feeling good about not having to worry about a problem anymore. Relief, comfort, or contentment with how a situation has turned out. Feeling secure or loved. Alternatively, happiness may reflect waking life situations where you feel really lucky about something good that has happened. Self-love.
Negatively, happiness in a dream may be a sign that you are desperately avoid facing the truth of a problem or are involved in addictive or excessive behaviors. Compensating, daydreaming, or willful blindness to avoid pain. A desire for wish fulfillment. It may also reflect a tendency to live with desire for things you can't really believe you can have. Wishful thinking. Happiness in a dream may be a sign that you are having problems facing the reality of situation. Alternatively, dreaming of being happy may reflect a tendency to be too comfortable with ideas or situations that are not good for you. Feelings about other people being happy to see your fail or your or enjoyment of experiencing other failing.
Happy endings in a dream may reflect positive outcomes that you currently aren't confident enough to believe in. Negatively, they may reflect satisfaction with keeping others down.
Example: A young boy dreamed of his parents being happy together and choosing to not get divorced. In waking life his parents were getting divorced and there was nothing that could be done to stop it. The dream most likely reflected the young boy's irrational or uniformed desire for his parents to get back together. Using hope or telling himself that his parents would get back together to help himself cope.
In general, happiness in a dream means sorrow. To be happy about something which the heart does not feel comfortable with, or which the heart does not qualify as correct conduct or behavior in a dream means sadness and sorrow in wakefulness. Happiness in a dream also means being indifferent about following God’s commands. If one’s happiness in his dream is derived from the release of a prisoner or the recovery of a sick person, then it means positive changes in one’s life. If one is told something that is supposed to make him happy, when in fact it made him sad in the dream, such as being told in a dream that so and so has just arrived from a long journey, when in fact such person has just died, it means that his sadness will be dispelled and his sorrows removed. Feeling happy in a dream means sadness, sorrow, or crying. If one sees his friends happy in a dream, then it means happiness for him too.