Since the initial line crossing, her dad stepped it up and even added things to cards, like turning "Happy 6th Birthday" into "16th." But the latest card she posted can't even compare to the one ...

The tone of birthday cards for children are upbeat. We celebrate birthdays in our younger years. At some point, the narrative changes, sometimes as early as age 30.

If you're going to the store for your birthday cards, you've got it all wrong. The next time a friend or family member is celebrating their big day, use one of these adorable printable birthday cards.

UPDATE: Cards Against Humanity is no longer available online. A physical copy of the game can be purchased here.Still looking for a night of virtual fun? Test your trivia know-how with Jackbox ...