He would have to put way more in for the ba*** to get into his stomach since the @nal tube is 3m long (?) Not sure maybe even longer but yea. 

12??[pepe:0]

That's bc of blood if you get hit there while boxing etc it swollens up, but it's treatable 
(Tho I'm not sure if everything is right but that's what I know so don't judge me)

Thanks you for explaining, I was abit confused ngl

PLEASE WOULD YOU SHUT UR UGLY A** MOUTH MAN, I YOU DON'T LIKE THE MANHWA AND THE MAIN CHARACKTERS THEN GO AND READ SOMETHING ELSE OML, I'M SICK OF SEING YOUR COMMENTS EVERY TIME