Stephanie Coontz: I think that my closest social circle within academia are remarkably happy people who would do it even if they didn't get paid. But i won't say this, you really ought to move toward the people that you feel make your life better and sometimes that means doing a little switching of departments or advisers. It sounds like you really took that advice that they now give four and five year old kids in school. You have to advocate for yourself.
Also: which professions have the happiest people?