Because of allergies, colds, prevention of colds, and a slight lack of pain tolerance, my husband will often use OTC medication to relieve his symptoms. I, on the otherhand, have a high sensitivity to drugs (which is often confused with a high tolerance for pain--do not be deceived!) and try to avoid medication altogether.
My kid comes up to me with a gummy bear vitamin pinched between his/her lips. With the part of the mouth not holding the vitamin, he/she mumbles, "Mommy, can you get me a drink?"
Looks like its genetic. And dominant.
In other news, guess what my husband called me today.
[His mother's name].