Whether siblings knock before entering each other's rooms as adults can vary greatly depending on individual family dynamics, cultural norms, personal boundaries, and the specific living arrangements. There is no universal rule, and different families may have different practices.
In some families, siblings may continue to knock before entering each other's rooms out of respect for privacy and personal space, even when they are adults sharing the same house. This behavior is often seen as a way to maintain boundaries and show consideration for each other's need for privacy, regardless of age.
On the other hand, in some families, especially those with close relationships and a more casual approach to privacy, knocking before entering each other's rooms may be less common. They might feel comfortable entering each other's spaces without explicit permission or may have established an open-door policy where boundaries are less rigid.
It's essential to understand that individual preferences and family dynamics can play a significant role in how siblings interact with each other as adults living together. Some siblings might feel comfortable with a more informal approach, while others may prefer a more formal and respectful way of interacting, as they did when they were younger.
Ultimately, the key is to communicate openly and honestly with your siblings about your expectations and boundaries regarding privacy and personal space. Respecting each other's preferences and finding a balance that works for everyone is crucial to maintaining a harmonious living situation.