He just seems to get tired of writing blogs now and again. Switches them off, sometimes starts other ones. He did have an issue with his new trailer with a deer hitting the front of it but did not ever say much about the repair job. I do know he was still camping in it last summer and did the beet harvest too. He stays with his family part of the year. He said he was starting to write a third book series so I suspect he is staying focused on that and on traveling.
His books are still available on Amazon, you might be able to contact him through that venue. They are a pleasant Western themed read and are not overly expensive to buy. Always good to support one of the talented nomadic crowd by purchasing their creative productions. https://www.amazon.com/Brian-Gore/e/B0046U26FW
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I have not seen anything posted by him since January. But as to being depressed, that seems to be fairly normal for him, he has lots of physical aches, pains, etc. But he does go 6 months between postings now and again if he is up in the remote mountain places he likes to stay in during the summer while he writes. I suspect that he is pretty immersed in writing his new series, at least I hope that is the case. He is quite the character