Is it required to fulfill the conditions of the lessor?

Question:
I live in a residence, and the one who rented it to me stipulated that I not live with anyone else and not cook food in it. Is this condition valid, and am I required to fulfill it?

Answer:
Yes, the condition is valid, because there is a consideration that cooking in this place affects the room or the apartment, and this consideration is valid and its condition is valid. Likewise, if extra people come to you, it is possible that they cause harm to the residence or...