they both would, i once read Sam talk about alhaitham wearing smaller condoms on purpose so they tear apart and tbh i saw that as to be just an excuse to plant that seed in kaveh after kaveh warned him to use protection and not to cum inside 🤭

when it's kaveh babytrapping, he would lie that it is a safe day, and when alhaitham is so close, kaveh would lock his legs around his buttcheeks to pull him closer, arms surrounding his neck and seductively looking at alhaitham's desperate orgasming face and listening to his pathetic grunting and he whispers "good boy, cum inside, just like that, fill me up"

it would be funny because, babytrapping for alhaitham would be out of possessiveness, and to force kaveh to live with him, and as for kaveh, it would be so he can secure a good life with a rich man like alhaitham. ofc this is all an au, and a fun way to exaggerate and manipulate their characters.