越 … 越 … (the more …, the more …)

One rises, so does the other

• Two things rise together: "the more I think, the angrier I get".
• Chinese links them with to exceed越yuè … to exceed越yuè ….
• 越想yuè xiǎngto exceed越yuèto get angry生气shēng qì = "the more I think, the angrier I get."

to exceed越yuè + Verb + to exceed越yuè + Adj / Verb

• First to exceed越yuè + cause, second to exceed越yuè + the rising result.

I我wǒthe more越yuèthink想xiǎngthe more越yuèangry生气shēng qì。

• 越想yuè xiǎngto exceed越yuèto get angry生气shēng qì = "the more I think about it, the angrier I get."

Not the same as more and more越来越yuè lái yuè

• to exceed越yuè A to exceed越yuè B links two things; more and more越来越yuè lái yuè is just one quality rising over time.

Recap

Read the full reference: HSK 3 grammar — Sentence patterns.