For some people birthdays are just another day, but for others, it’s often seen as a special time. After all, it’s a milestone — it marks the anniversary of your arrival on earth! Whether you’re having a small group of friends over for cake, or going out to a big party at your favorite club, sometimes it’s important to take a few moments just for ourselves to mark our birthdays. You can do this by setting up a birthday altar to celebrate the journey your life has led you on thus far. It’s a good idea to start gathering items for your altar in advance, because you never know how long it…