"A lot of well-endowed women like me need to buy custom-made bras since stores don't always stock bras for my kind of breasts," said Mandy. Unfortunately, Mandy only modeled once.

If you have a plus-size girlfriend built like Mandy Mason, you know that shopping can be an adventure. Mandy advised caution when buying clothing by yourself for big girls. "If you get a size off one of her garments, you may not make her too happy when you present her with a shirt in a size she considers too big! And don't think buying an item too small gets you off the hook. She'll just get insulted and think you wish she weighed less and we all know that's not true."

So what does a guy do to not mess up?

"Buy her a pair of shoes. Check on the inside of one of her favorite pairs for the size and width. Or take her shopping. If you can stand to spend time waiting for her outside of the fitting room."

Very helpful advice!