They have to be invited in before they can enter. So don't invite any strangers in your house until you know that s/he isn't a vamp.
To lock and unlock the house locks that keep burglars and strangers from entering your house anytime they feel like.
because maybe that's how they like to do things in their house not everyone takes of there shoes before entering a house
A full of strangers
The duration of House of Strangers is 1.68 hours.
House of Strangers was created on 1949-07-01.
Removing shoes before entering a house is usually a cultural rather than a religious tradition. It is common to many Eastern countries, as well as Scandinavia. However, some religions require removing shoes before entering a house of worship or a temple. Muslims remove their shoes before entering a mosque, Hindus remove shoes before entering a temple, and Sikhs remove shoes before entering a gurudwara.
Before entering a Japanese house, it is customary to remove your shoes and put on slippers provided at the entrance. This is done to keep the home clean as shoes are considered dirty from outside. It is also polite to greet the hosts with a bow and say "sumimasen" (excuse me) before entering.
The answer is seven, seven strangers
If it ever leaked it would be comming out under house and you could blow up your house.
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Inviting them in.