You're not...

No, not really, right?

Wait, seriously, you still haven't picked up a Mother's Day gift for mom? She raised you! Shame on you!

Sunday marks Mother's Day in dozens of countries and it's a big one -- the 100th anniversary of it becoming a national holiday here in America. As such, we decided to go big too, and offer you some gift-buying inspiration to get you on the right track for Mom.

Now read this quickly and get to the store already!

LARGEST GREETING CARD (above)

We hope you have enough postage.

Fittingly, the largest greeting card is a Mother's Day card and was unveiled just this year for Mother's Day in the UAE. Measuring 10.19 m (33 ft 5.16 in) in length and 7.09 m (23 ft 3.12 in) in width, the card was built and presented by Nestlé Middle East FZE - NIDO at Dubai Mall in Dubai on March 21.

LARGEST BOX OF CHOCOLATES

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You probably won't find this one in the shops. Thorntons Moments unveiled the largest box of chocolates in London on April 2, 2008. The box itself measured 5.04 m (16 ft 6 in) long, 3.4 m (11 ft 2 in) wide and 1 m (3 ft 3.5 in) deep, with a record-breaking weight of 3,275 lb (1,690 kg).

LARGEST BOUQUET

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Or maybe the largest bouquet suits Mom better. Constructed by the NordWestZentrum shopping mall in Frankfurt, Germany, on Sept. 29, 2005, this arrangement of all-natural flowers consisted of 156,940 multi-colored roses.

A little more daunting than the dozen long-stems you're more likely to find, the bouquet measured 26 m (85 ft 3 in) long by 6 m (19 ft 8 in) wide and 3 m (9 ft 10 in) tall. All those flowers weighed more than 10.3 tonnes!

LONGEST HUG

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Alright, maybe you're against all the commercialism surrounding Mother's Day now. Or you feel like your love for mom can't be properly measured by something material. Or maybe you're just broke this year.

If you're the kind of person for whom actions speak louder than gifts, then we recommend just grabbing mom, thanking her for all she's done, and never letting her go. Well, at least not for 24 hr 33 min. That's how long Ron O'Neil and Theresa Kerr (both Canada) clinched for the longest hug at Centennial Beach in Barrie, Ontario, Canada, from June 12-13, 2010.

Now get to it, you don't want to keep Mom waiting!

And for the latest on all things world record, visit Guinness World Records on Facebook, Twitter, Google+ and our brand-new Instagram. Plus check out Guinness World Records on YouTube to subscribe for the latest record-breaking videos!