To wit:
They found that spanking and other corporal punishment is associated
with an increased probability of verbally and physically coercing a
dating partner to have sex; risky sex such as premarital sex without
using a condom; and masochistic sex such as spanking during sex.
We’ll go further to postulate that spanking could also lead your adult child to find himself waking up in a strange closet, hog-tied and with his ass bleeding, unsure of how he got there because he took too much G last night! How’s that for a picture, breeders? No go back to issuing time-outs and polluting our planet with extra people we don’t need.
Spanking Raises Chances of Deviant, Risky Sexual Behavior (US News)