When the ruler of the fifth house is in the first house, this means that you are a natural entertainer and that you can be a professional showperson.
You have many talents; you are optimistic and sunny. This is the character that people see at first when they meet you. You like to make people feel happy.
You may have natural skills in acting, painting, dancing or singing. You may love movies because you understand them more than others, as you are a natural actor.
You will be the happiest in the entertainment industry, where there’s an outlet for you to make people feel good.
When the ruler of the fifth house is in the first house, this also shows that you may have a good understanding of children, and you like to be with them. You may, therefore, even work as a person who cares for or teaches children. You are likely to want to have your own children as well.
Your children may be like you in skills, character, or appearance.
If opposite astrological factors do not outweigh this combination, in a group of persons you are likely to gravitate towards younger people, as you may find them more interesting to be with, more open-minded and happier.
This placement could show that you like gambling, and that you like to take shortcuts when a difficult road is required. For example, you may prefer a profession where you can earn a lot of money with little work. But this can sometimes backfire.
When you’re in the public, people pay attention to you. You can become a star in your area, and if you choose a position in the entertainment industry, you can become famous.
People are inspired by your positivity, sunny disposition, and optimism.
Talking about addictions, the ruler of the fifth house in the first house shows that you will be very much attracted to that which gives you pleasure, so you must be able to draw a line when to stop, and think whether to engage in addictive activities at all.
Such activities could be having many love affairs, doing drugs, drinking, gambling, binge-eating, and so forth.
Of course, if the ruler of the fifth house is Saturn, that changes things! Then it means, depending on the condition of Saturn, that you’ll always be in charge of your addictive activities, or, if Saturn is afflicted, such activities may be lifelong.
If the depth-giving astrological aspects are missing, this placement shows a person who likes to engage in small talk and takes an interest in things of little importance.
Yet, we need such people in our lives, because they can lighten the weight of responsibilities and problems in our lives, at least for a time.