Complex sentence: Do not over stay your welcome, the host will not express any sign of unwelcome to the guest since it is considered extremely rude and disrespectful, it is up to the guest to estimate the length of their visit.
Split into simpler sentences: Do not over stay your welcome, the host will not express any sign of unwelcome to the guest since it is considered extremely rude and disrespectful. It is up to the guest to estimate the length of their visit.