I felt like a moth who got himself too close to the light
Except I didn't burn, I turned cold after that night
A metaphor to compare his situation and feelings to the way a lowly moth will become dazzled by a light bulb and seek to bask in the light not knowing that it will only bring pain.
And after this he didn’t burn like a moth but became cold, in other words very jaded and bitter. Very good metaphor.
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