परान्नं च परस्वं च परशय्याः परस्त्रियः ।
परवेश्मनि वासश्च शक्रस्यापि श्रियं हरेत् ॥
parAnnam cha parasvam cha parashayyAH parastriyaH ।
paraveshmani vAsaH cha shakrasya api shriyam haret ॥
- garuDa purANa
These things have the potential to erode the wealth of Indra (King of Gods) also - eating someone else's food, being controlled by someone else, sleeping on others bed, indulgence in other's wives, living in other people's house. One must avoid all of them.
- Garuda Purana