It can be quite a dramatic statement to claim that a proposal can be the downfall of a relationship, but I can think of quite a few examples to shed some light on a statement like this. One example is if the couple never discussed marriage before, and then one of them decides to propose as a surprise, then no, they should not be surprised if they are being told 'no'. Another example, coincidently the topic of this Reddit story, is when the boyfriend proposes to his girlfriend using the ring she…