Jupiter rules 3rd and 6th house is in 7th house in Aries
As a Jyotish astrologer, I interpret Jupiter in the 7th house in Aries sign as a highly favorable placement for the native. Jupiter is the planet of wisdom, knowledge, and expansion, and its placement in the 7th house of relationships, partnerships, and marriage indicates that the native is likely to be blessed with a lifetime of successful and prosperous relationships.
With Jupiter in Aries, the native may be highly ambitious and driven, and this energy is likely to be directed towards their partnerships and personal relationships. They may have a strong desire to lead and take charge in their relationships, but with Jupiter's influence, they are likely to do so with a high level of wisdom, fairness, and diplomacy. This will help them to maintain a healthy and balanced dynamic with their partners.
Overall, this placement suggests that the native is likely to enjoy a successful and fulfilling intimate life. They may even gain social status and prestige through their partnerships, or their partnerships may open up doors of opportunity for them in their career or personal life.