A surprise gesture can mean the world to someone. If you're having a rough time, you might think that no one knows what you're going through, let alone cares. You might feel isolated and alone like the only person who truly has your back is you. But if a friend suddenly comes through in an unexpected way, it can flip that whole perspective. This is why we should always check in on each other. You can never be sure how much a nice gesture can mean to someone. But what happens when that person ta…