Even more than living close together is the fact that we are a family. It’s a plain fact that we relate to each other much differently than anyone in the outside world. When amongst family, you behave looser, you ask more questions and give more advice. In a sense, everyone is everyone else’s Shvigger.
Aries,
Nobody mentioned or mentions Kol Yisrael Areibim as a reasoning to actually behave this way, it is the just naturally born from the kind of close knit relationship.
Goq,
If you act professionally toward, a bit removed and aloof, that will keep them away. I suspect that you do enjoy their company, otherwise they shouldn’t be allowed to hang out. If that’s true, you can speak to them more openly.