Sibling Rivalry Aficionado Mugs

"If he's a little bundle of joy, shouldn't he be laughing?"

"That Marc Anthony's no big deal. You take away his looks, his talent and his personality...and what do you have?"

Dear Diary, I'm moments away from shoveing a pen into my little brother's eye...

"The customer is always right. . . even if she is your sister."

'I am so proud: My kids are finally fighting all the time!'

Polygamists' Picnic

"He's my smart-aleck twin."

"I'm an oldest child trapped in the body of a middle child."

"Good work Tim, you snatch it all: none of this sharing with your brother nonsense..."

"Baldo, why do you make fun of my playing?"

"At home there's a fish, a cat, a dog, me, and a big sister."

It's my biggest project - a database of all my sister's boyfriends.

"We tried to play nicely, but frankly it's not as much fun as tormenting each other."

The noise from the basement was probably nothing – but if it was, she was a sacrifice her older brothers were willing to make.

Help!I am being forced to eat vegetables

"Act your birth order!"

'No hair or teeth, can't walk or talk -- she's kind of a starter kit.'

'My brother got all the glory. For me it was Randolph with your nose so pink, you really make my sleigh team stink.'

What will be the worst part about your first semester of college being online classes only? My little brother will be my freshman year roommate!

LEMONADE 50 CENTS, 'Sorry, cash only -- we don't accept little brothers.'

"It may be called a 'Butterball', but you still can't throw it at your sister!"

"Gracie, I'm getting way tired of your Jane Goodall routine!"

'Mum, she pulled my mane!'

"You can't live in our basement. Your brother beat you to it."

'I suppose this puts my new bike on the back burner?'

'At first I wanted a brother, but I've changed my mind... I want a puppy now.'

'Does this mean I have to share my pocket money?'

"How many times do I have to tell you to quit going through your little brother!"

No date for the prom, green girl? If you ever grow up, nerd boy

'How do you expect them to treat you in a mature way with that thing in your mouth?'

Technically, no, dear, your brother isn't plagiarizing you. ABC. ABC.

'Stop crying or Mom will think we're not having fun!'

"Meet your new baby brother! We decided to upgrade."

'No hair or teeth, can't walk or talk -- he's kind of a starter kit.'

'Take it from someone with experience. . . you can't go throwing tantrums until you've at least tossed a few.'