Majority a Good Day but...

I had a good day today, actually a pretty great day. I got good news, good lessons in class, good weather, a great nap, and so on. However one little thing towards the end of the day just starts to bother me, something that bothered me before, something that shouldn't even be bothering me at all. It sucks because I had such a great day and now it feels as if that didn't mean anything because it's ending on a bad note that shouldn't even exist. It's better when bad things happens earlier in the day because there's always something else that can make me forget about it but since it's at the end of the day there's nothing left to happen for the day.