My mom told me to always be myself.

The humor in this joke springs from a clever bit of wordplay, specifically a pun, that takes a common idiom completely literally. When a parent advises their child to "always be myself," they are encouraging authenticity and self-acceptance. The punchline, however, comically misinterprets "myself" not as an abstract concept of identity, but as a tangible item that one might need to acquire or replace. This unexpected shift from a figurative meaning to a literal, materialistic one is what creates the comedic surprise and the laugh.

The phrase "be yourself" is a timeless piece of advice, a cornerstone of self-help and parenting wisdom that emphasizes individuality and genuineness. It’s meant to inspire confidence and discourage pretense. This joke playfully upends that earnest sentiment by introducing a very modern, relatable concern: money. The idea that one might need to budget for or purchase their own identity is inherently absurd, yet the punchline taps into the everyday anxieties about cost and ownership, making the abstract concept of selfhood feel suddenly, hilariously, transactional.