What’s the difference between your boyfriend and a condom?
A. Condoms have evolved. They’re not so thick and insensitive anymore.
Boyfriend vs Condom
Explanation
Explain Bear
Listen up, buttercup! The joke is that condoms used to be known for being thick and not feeling much, but now they're better. The punchline implies the boyfriend is still thick and insensitive like old condoms. You probably use the thick ones.