>>1959
His mother would probably look for him and since she knows about us, she would certainly accuse us, but with no evidence? Maybe not even a body? It could've been an accident or maybe he ran away or suicide...
Really, seeing how much care she took of her husbands/boyfriends, he'll be just another man she forgets about.
Bonbi would feel guilty, sad, and angry for a while, but she'll forget all about him too once he's no longer in constant contact.