If Bills fans were weak, there wouldn't be any. We choose to spend our weeks and Sundays pulling for the Little Engine that Could. IMO, it takes much intestinal fortitude to keep coming back for more. Some of our most diehard have been doing this since the AFL days.
If anything, it's the conditioning of decades of losing. I know the players weren't here for the Music City Miracle and the drought that ensued, but a lot of us were... and we've seen the Bills are best are breaking the hearts of their fans. It's going to take some reverse conditioning before it gets a lot better.
If two decades of winning can make unbearable jerks of Pats fans, this is the other end of the spectrum.
For the record, I do NOT think this is the same old BIlls.