Just imagine this... Crowley visiting Azi and the angel gets so excited and starts babbling about books and things they enjoy and,, LISTEN TO ME,, Crowley looking at them smiling all dumb in love and doesn't even try to hide it....
what matters most about your interests is that they make you happy. whether other people find them productive is irrelevant. you don't have to produce anything. you are not a machine. your interests aren't for others. your interests are for you. do what makes you happy.