Why did he text me?

I have a guy that I have been friends with for 6 years. He recently text me when he was at his cabin alone at 10 pm. It was a picture of a glass of whiskey by the fire. We chatted and then he sent me pictures of the full moon. We said goodnight, and I was left wondering what that was all about..🤷🏻‍♀️
He's never really done anything like that before... ideas?
Why did he text me?
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