How are they gonna Boombayah if he can't handle tinietiny Pain(〜￣△￣)〜

Seme would lick the shiz out of him and prepare him till he can handle something as big as a fist lollll

Right? Authors in these mangas/Manhuas/manhuas...be like "Simple Seme will lick, stick a finger or two or three and maybe some spit and it will work out just fine"...ridiculous