Question for men giving blood

I've given over 5 gallons so far, but I've stopped because they are too annoying! They ask the same questions at least three times and it takes them more than 30 minutes just to get past the forms and questions.

If I say I havent been to Nigeria in the last five years, then why do they have to ask me that same darn question two more times again, at least??? I know that they need to protect the blood supply, but insulting me while trying to collect my blood doesn't do a darn thing to ensure that!