
"It's not gas...it's sibling rivalry."
Add a cozy touch to your sibling’s space with our psychology-themed pillows. Perfect for chilling out, these designs blend comfort with clever insights into the human psyche.
"It's not gas...it's sibling rivalry."
'Number two. That's the art that offended me.'
PET THEORIES
The noise from the basement was probably nothing – but if it was, she was a sacrifice her older brothers were willing to make.
A Truism's Journey
'Is that IT? All this way for just the ONE?'
"Act your birth order!"
'He took a fetching class.'
Warhol Exhibit
C'mon boy, speak! Speak!
'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.'
Lesser Known Historical Figures: The Steno at the First Thanksgiving Dinner.
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!
The Poodle and The Twooudle.
I'm calling for back-up
"Beware of watchdog."
'Take it from someone with experience. . . you can't go throwing tantrums until you've at least tossed a few.'
"And another thing - I'm tired of you calling my band a 'side project'."
'Watch out for my little brother -- he's clothing-optional.'
'Stop crying or Mom will think we're not having fun!'
'MOM! -- Samantha called me names in her diary!'
Technically, no, dear, your brother isn't plagiarizing you. ABC. ABC.
Principal: 'Is THERE a DOCTORATE in the House?!'
"Don't worry, and don't listen to your brother! You can't really smell fear: it's just an expression..."
'I told my Mom either the sitter goes, or I go!'
Brother and sister at the dentist
'How do you figure?'
'The only reason I take him with me wherever I go, is because the thought of kissing him goodbye makes me feel sick!'
"Don't smile, you're on Candid Camus."
"It's hard to believe the adults think he's so lovable!"
'Danae is outside unscrupulously taking advantage of gullible people...'
'I'm looking forward to when he's 5 years old so I can boss him around.'
When I'm a famous actress, you'll be jealous. Wrong. I can't wait to see you in the movies. It's nice that you can enjoy my glamorous success. Or�Enjoy watching you get punched out like the girls in all the action flicks. Great. Hollywood takes over where little brother leave off.
Things that don't last 2 seconds...the idea that your l'il sis might actually be good at something.
Explore our collection of psychology-themed mugs and find the perfect gift that captures your sibling’s inquisitive spirit today.
Find the perfect psychology-inspired print to inspire your sibling’s workspace or bedroom with humor and insight into how the mind works.
Discover our witty psychology-inspired t-shirts—ideal for any sibling who loves exploring the mysteries of the mind in style.