Stuck on what to say? Here’s what to write in a birthday card for a friend, coworker or that special someone in your life.

On your son’s birthday, the wishes that you deliver will stick with him long after the accompanying gift is forgotten.

(we know you're better than that). No matter what type of sentiment you're going for, we've got plenty of romantic, funny, and sweet birthday messages to choose from. And if you'd rather keep ...

These funny, heartfelt, and sentimental birthday wishes go perfectly in a card (especially when paired with a gift for your sister), in an Instagram caption, or even in an early birthday morning text.