Explaining "Once the poison, twice the charm"

What does it mean?

The phrase "Once the poison, twice the charm" suggests that something initially harmful or unpleasant (the poison) can become beneficial or appealing (the charm) after a subsequent interaction or experience. It implies that initial negative experiences can turn into positive outcomes with time or repetition.

Tone

Origin

The phrase does not have a well-documented origin and appears to be a modern twist on the classical saying "once bitten, twice shy," suggesting a reversal where a negative experience might turn positive.