El té se enfría rápido cuando hablo demasiado.

The tea gets cold quickly when I talk too much.

Breakdown of El té se enfría rápido cuando hablo demasiado.

• yo: I
• cuando: when
• hablar: to talk
• demasiado: too much

Questions & Answers about El té se enfría rápido cuando hablo demasiado.

Why is it se enfría and not just enfría?

Because enfriarse is the common verb for to get cold / to cool down by itself.

• El té se enfría = The tea cools down
• Alguien enfría el té = Someone cools the tea down

So in this sentence, the tea is changing state on its own, which is why Spanish uses se.

This se is not really himself/itself in the English sense. It is part of the verb enfriarse.

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Is se enfría a passive structure?

Not here. It is better understood as a pronominal / change-of-state use, not a true passive.

• El té se enfría = The tea gets cold / cools down
• Passive would be more like El té es enfriado..., but that sounds unnatural here

So the sentence is describing what happens to the tea, not focusing on an external agent.

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Why is hablo used instead of yo hablo?