When you can’t figure out what to write on a birthday card , PANIC! Just joking. Take a deep breath and follow our lead—you’ll be writing birthday card sentiments like a pro before you can shout, “The heck with this!” Stick with us and we’re off… Step 1: Find the perfect card. Since you’re likely unsure what to write on a birthday card, start by choosing the card itself. Funny? Sweet? Even-keeled or off-the-wall? Or none of the above? This will help set the stage so you can