I had a great 2 week stay at Björns place.
Great location, close to the city center (and a metro station next to the building) and still very quit and connected to nature. When you sit on the balcony it feels like you're in a wood far away from everything just enjoying some peace and quit time. There are also a lot of opportunity for nature walks and even swimming in the lake nearby.
Björn was a great host. He adjusted himself to my flight times (even when I had a delay) to make sure my check-in went smooth. Because I arrived quit late, he even got supplies so I was able to make breakfast the next day and left some some nice tips about the area. He even suggested helping out with laundry since I was staying for a longer time (which was not necessary but I did appreciate him suggesting it very much) .
Overall staying at Björns place gave me a great feel of how it'd be to live in Stockholm and made me fall in love with the city even more then I had during my previous stays in hotels.