Having a stroller that can carry your infant seat prevents your hands and arms from getting sore from carrying an infant car seat. (mommystroller.com)
If only your nipple is being sucked, then you will get sore nipples after about 2 - 3 feedings. (pregnancy-info.net)
I know almond butter doesn't always make a good replacement for peanut butter but I can't eat peanuts without getting a sore throat. (eatgood4life.com)