I've voted in tons of elections of different types and due to my age, plenty of presidential elections. Never has it felt as important as this one did today.
Where I vote they do optical scanning so you color in the little ovals by the names. I blackened the oval, then went over it another time to be sure. When I was done I went back and checked it again, needing there to be no doubt who I was voting for.
In the car on the way home it actually felt like my vote counted, that maybe I made a difference. I've never felt that way after voting before.
I'm staying up as late as I have to for the results, even if it means all night...