Not being able to pick up on hints, ever, or otherwise be able to work with incomplete information. If I don't have all the arguments to a function in my brain,

Not being able to pick up on hints, ever, or otherwise be able to work with incomplete information. If I don't have all the arguments to a function in my brain, I just ignore it until the rest fall into place. Sometimes people specifically leave those out, so I'm lost until it's too late.