This tends to indicate that you will have a generous, tolerant attitude toward one another in domestic situations. The Jupiter person may be overly indulgent or overly-protective of the fourth house person. You are likely to share similar family values or ideals regarding family and home. Neptune in House 4 Usually, this placement indicates empathy between you and a deep emotional or intuitive understanding. The Neptune person can bring beauty and creativity into the fourth house person's home.
Some astrologers refer to the fifth as the party house, and it's an apt description.
It is also the house of children, and may describe certain traits of your first child. When the planets of another fall into your fifth house, the energies of these planets will have an affect on what you do, think and feel about fifth house issues. If someone's Sun falls into your fifth house, for instance, you may be attracted to that person as a romantic partner or as someone to simply go out and have good times with. This combination is favorable for people who want to have children together, but equally favorable for those who simply like to go out to the movies, a concert or a restaurant with each other and have a good time. The Sun person can stimulate the fifth house person's creativity and gregariousness and will know how to make him or her laugh and smile.