# negative feelings about our sunk costs drive the behaviour > We still go ahead with the sinking ship despite feeling bad about it. One study goes so far as to say that the [negative feelings we have about our sunk costs actually drives the behaviour](https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0209900). The researchers found the likelihood of people sticking to their guns was predicted by how bad they felt immediately after making a decision about sunk costs. ([[(Martin, 2019)#^p288-]]) > We may also [fear the regret](https://psycnet.apa.org/doiLanding?doi=10.1037%2F0021-9010.92.2.545) we might feel by withdrawing our commitment. ([[(Martin, 2019)#^zg7hs]]) ie → [[anticipated regret]]