Vomit up wedding ring and propose with it.
>>120
The thing willingly returns your briefcase. It does not appear to have been tampered with, and nothing is missing. Your inventory now contains:
>>121
You turn away, stick two fingers down your throat, and vomit all over the library floor. Amidst the acrid mess and half digested quiche, you locate the shiny gold band. You turn back to your beloved, compose yourself, and mentally prepare the wording of your proposal.
First of all, if you are to become engaged to this unholy monstrosity, you ought at least to know its name. As you are unsure what name it might have, nor do you know if it even has one, you suspect it to be within your rights to name it. Secondly, it seems impersonal to keep calling the creature "it". You could conceivably call it "her", or singular "they". Alternatively, it could be a good opportunity to employ some Spivak pronouns.