mitzvah (noun): a good deed, a charitable or meritorious act
I went to donate blood on Saturday--something that always makes me feel good. My blood type is relatively rare, so I wait to get that call from the blood center requesting it, and then I hurry down there. Did you know that while about 37% of the U.S. population is eligible to donate blood, only about 10% do so?
However...my hemoglobin was just ever so slightly too low to give up a pint of blood, so I went for a nice long run, had several iron-rich meals with vitamin C foods, and am going back today. Fingers crossed.