Which, of course, you do or you wouldn't be here.
However, is it important that your significant other follow some TV show regularly? Know that such and such a band has a new album out on date X? That the _____ holiday weekend is the theatre release date for a potentially great film and is hyped to see it? Reads every book written by a certain author? And so on.
Or could you live happily forever with someone if they had not a bit of knowledge of pop culture beyond Top 40 radio, Deal Or No Deal, Benchwarmers, Stephen King and the newspaper comics, for example?