I was in Paris with my girlfriend for 5 days and we stayed at Patrick's house. First of all, he's a really pleasant host, friendly and more than happy to help you out whether it is for some public transports infos or for making you a coffee for breakfast when you are in a hurry to catch the plane. I must say we were expecting him to sleep in another room, while instead he's sleeping in the common area (which is simply a room with the kitchen, a sofa, a low table and his bed). We missed the possibility to have hot water for the shower in late evenings/nights: there's a timer for water that apparently doen't serve hot water in the night, so my girlfriend had to take a cold shower at around 11pm before we were leaving at 4am for the flight.
Our bedroom and the bathroom were perfect, they are clean and comfortable.
The nearest metro station is at about 10-15 minutes from the apartment.
Overall it was a pleasant stay, thanks Patrik!