I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt
I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt
I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt
I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt
I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt
I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt

I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired T-Shirt

$29.97
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Relatable, witty, and painfully honest. The “I Can’t Prove This, But I Swear I Used to Be Smarter, Funnier, and Less Tired” t-shirt is made for anyone who feels personally attacked by adulthood. It’s a humorous nod to burnout, nostalgia, and the slow realization that energy is not what it used to be.

Perfect for those who cope with exhaustion through humor, this tee combines laid-back comfort with a message that’s as funny as it is true.

• Soft, breathable fabric for all-day comfort
• Relaxed, unisex fit with a casual, easygoing vibe
• High-quality print designed to last
• Ideal for everyday wear, lounging, or gifting someone who misses their old energy

Size guide S M L XL 2XL 3XL
Length (inches) 28 29 30 31 32 33
Width (inches) 18 20 22 24 26 28
Chest (inches) 34–37 38–41 42–45 46–49 50–53 54–57

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