Reply To: why do girl/boys blush at the opposite gender? Home › Forums › Decaffeinated Coffee › why do girl/boys blush at the opposite gender? › Reply To: why do girl/boys blush at the opposite gender? September 6, 2011 8:31 pm at 8:31 pm #806173 PosterMember You only blush before you get married, while opposite genders are a novelty.