Wine is a turncoat, first a friend, then an enemy.

Understand the thought

Meaning in plain English

The saying portrays wine as changing sides, beginning as a friend and becoming an enemy. Pleasure is contrasted with a later unwanted consequence.

What the words are saying

Turncoat gives the drink an unreliable personality. A useful reading recognises a warning that a welcome experience may stop serving someone’s interests. It does not define an amount, timing or personal response, and should not be turned into a medical rule. The broader analogy asks when the consequences of an activity begin to undermine what was valued about it.

Everyday example

Someone notices that an enjoyable routine is disrupting responsibilities and reassesses it instead of relying on its earlier appeal.

When to use it

Use it as an image of a benefit turning into a burden.

Agent-assisted editorial interpretation. This explains the words; it does not by itself verify their author or earliest origin.