I've never donated. I've tried a few times but have been unable to due to medications. Thanks for this thread, it's motivated me to try again (meds are different since I last tried).
I've never needed a transfusion but came close after a PPH when I had DS. My Dad however, required 7 units of blood during life-saving surgery 5 and a half years ago. It gave us 18 more precious months with him.