It is my nature to give my best no matter what the task at hand may be. That is not a point of pride, as it can be a weakness or a strength depending on the circumstance.
Positive encouragement from others working with me to achieve the desired result.
If I enjoy it. The only things I excel at are things that I like doing, otherwise I'm pretty lazy and just can't be bothered. I am good at cooking and sewing and I think I could do those all day and be happy :o)
Excelling IS the motivation