Mercury rules 4th and 7th house is in 4th house in Gemini

Mercury in the 4th house in Gemini sign can bring a lot of communication and mental stimulation into the home environment. This placement suggests that the native may have a strong need for intellectual conversations with family members and may enjoy learning from them. They may also have a natural curiosity about their roots and ancestry.

On the flip side, this placement may also indicate that the native may have a tendency to overthink or worry about family matters, leading to mental stress or anxiety. It is important for them to find a balance between their mental stimulation and emotional wellbeing.

In terms of career, this placement can indicate success in fields such as writing, journalism, communication, or public speaking. The native may have a gift for effectively conveying information to others.

Overall, this placement suggests a strong connection between the native's mental and emotional worlds, and they may benefit from finding ways to integrate the two in a healthy and productive manner.