Weird completely unrelated question. Do you have any idea why you write “Anyway” as “Anyways”?

It’s not just you, it’s a lot of people, but unlike most grammar/word modifications it doesn’t really make sense to me. Most of the time the modification shortens the word in some way rather than lengthening it. I could be wrong, but I don’t remember people writing or saying “anyway” with an added “s” in anyway but ironically 10-15 years ago, and I’m curious where it may be coming from.