>>714688259 (OP)If you have a younger sister and participated in her upbringing in any way, the idea of having relations with her should be disgusting to you. I changed my sistersโ shitty diapers, I wiped away her spit dribble, I had her throw shit at me when I told her it was bed time, I had her puke on me repeatedly, I had her draw with permanent marker on my guitars. The thought of fucking her as sheโs now in her 20s is so unappealing, you have no idea.