Even if you already have a man in your life you may still want to know ways to keep him interested. If this is you, check out my list of 7 little known ways to keep a. If you've found a guy, we know you're going to want to hang onto him. But getting a guy interested and keeping him interested are two different. You really like this guy don't screw it up! Read this to learn how to keep him interested long after the first date.