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I think over time, most learn how to accept a loss, even a bad loss, with some philosophy.

The Dawgs have experienced some really bad losses over the past decade, often to Alabama.

First of all I was getting close to 40 years old, but more importantly, the Huskers had enjoyed their MNC run in the 90s and I decided I could die a happy man if they never won anything else.

Well at least your team has actually won, well, ANYTHING, in your lifetime. 

My biggest "win" as a fan was getting to attend a Rose Bowl, where we lost. 

my rabid emotional fanatical tie to wins and losses started to wane around 2000
First of all I was getting close to 40 years old, but more importantly, the Huskers had enjoyed their MNC run in the 90s and I decided I could die a happy man if they never won anything else.

I remember a Badger fan being a bit surprised when I was up for a few post game drinks after a night game in Madison where the Huskers were embarrassed. He assumed I'd hole up in my hotel room and sulk.

He looked at me and said, "You're a good sport".

Yeah, it was in my 30s where I unplugged the game outcome from my emotions when the game was over.  I just think, "welp, they weren't good enough to win," and move on about my life.
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And I can also say I witnessed the peak of my program at a great age (16-28) and the Gators will probably never repeat that in my lifetime.  But I still focus on every play of every game, even when things are going sideways.  Most of my extended family are UGA fans, so we have some ribbing back and forth after the WLOCP or any NCs.  
Fun Fact:  Florida is the last team to beat UGA in the regular season (2020).