Romance Question

Hi guys,

Just wondering if anybody can shed some light on my question. Recently I have seen online some people saying that a townie autonomously proposed to their sim. To my knowledge this wasn't able to happen but I think it would be great if it coul

Does anyone know if this is possible - is it now part of the base game / one of the packs or would it need a mod for this? I just think it's a shame the playable sim always has to be the one to initiate marriage etc