This has a sort of Douglas Adams vibe; I get the impression that I’m in for a rather light-hearted, somewhat absurd adventure. If that’s what you’re going for, nicely done! The challenge of this kind of writing, I think, is evoking the flavor of this kind of roundabout elocution without overdoing it and veering into the verbose. I think you might need to do some very fine editing on this, to keep the bits that are enhancing the voice, while losing the bits that are only inflating the word count without really adding anything. Here are a few suggestions; you might not need to take all of them to reduce the flabbiness while preserving the flavor.
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Every so oftenSometimes, when Gilbert Griffonwould looklooked out into the unfathomable majesty of the night sky, hewould realizerealizedjusthow unimportant he was. He found thisnotion to beabsurdly comforting, and would oftentake measures tolook out into unfathomable majesties just to keep himself from freaking out.
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I changed “Every so often” to “Sometimes” in part because you use “often” right in the next sentence, and it seems more useful there. I cut one of the “justs” for a similar reason. Also, regarding “looked out” — if Gilbert is actually inside somewhere, looking out an aperture or a window, this is fine; but if you really just mean that he’s staring into the sky, I would cut “out” from both instances. (Note that if you leave it in, your second sentence has “look out...freaking out” which is an echo you might not want.)
Golden; yes, this is what I was going for, and those are some good notes. Thanks!