Since that time, I have donated at the very least twice a year, and more recently every two months. I am at the 17.5 gallon level.
I would regret not donating for that 5 years, but I prefer to look at all the units I have provided for I don't know how many people who needed O- blood. I am quick to say that my specific blood has been tagged as "rare", meaning it lacks certain antibodies, thus making it safe for even babies.
An everyday hero? I don't think so, but I am glad to play my part for the cause.