Why is sacrifice a good thing?

What relation is your fiance's sister to your brother and sister? How many hours should a 13 year old sleep? When was the first vaccine invented? Do it matter if i get a tattoo in a different place while I'm pregnant? Is going on a date while you have a boyfriend cheating? How long a woman can go without sex without suffering? Is attraction towards others normal in a relationship? Can you smoke PCP? How come sometimes men last a long time in bed and some other times they don't last long at all? Why might it be less dangerous to wear no sunglasses than to wear sunglasses that do not block UV light? When your girlfriend says we need to talk doesn't she really mean she needs to talk? How clean is urine? What can smoking weed do to your body? What is Gongai? Why should cuts be kept clean? How does marijuna affect the human body? If prior to applying the pads you see a medication patch on the person's chest you should? What are four ways to prevent cuts? What is the opposite of someone who loves or is obssessed with fire? I gained 5 pounds and my waist exceded an inch in trying to pop my belly button which failed so how much do you have to eat to pop your belly button?