2 days in Oslo, do's and dont's?

Hi all,

late november my boyfriend and myself will visit Oslo for the first time. I was wondering what would be the best way to experience the city?

We are visiting Oslo because my boyfriend got the opportunity to work here and we're exploring the opportunity of moving here as well.

To all the members living in Oslo: What is it about Oslo that makes you love the city, that gives you the feeling that you just belong there.... or if you don't love it, why not?

In november we'll only have one weekend to get a first impression, so every tip is much appreciated!

Thanks in advance!
Greetz, Milou