First of all you share a room, you have the right and he has the right to utilize the kitchen, you have the right to bring people over and so does he. So the only way you can go in and participate in a situation where he does this is to either cook at a staggered time. I am also now sharing a room with someone else, restaurants naturally one or two people will do it at the same time, if it doesn't take long I usually wait, if very hungry will just ask them to let a stove and empty space for me to prepare ingredients, don't be embarrassed, hesitation is always the one who loses out.

1, share the door is *** with the key, but the house of each room door must each have their own locks. 2, if you want to sublet a vacant room to someone else, be sure to hold each other's ID card to the nearest police station to verify the identity, and leave a copy of the ID card, just in case. 3, before sharing, to sign a written agreement, including the proportion of the share of the rent, the space occupied, Hygiene is responsible for, food and beverage issues, guest visits and stay overnight, and what time should be kept quiet, etc., in short, the more detailed the better. 4, the best way to find a familiar person, at least to have an introducer, once the accident can have clues to find.