 Don't put off breaking up when you know you want to. Belonging to the situation only makes it worse. Tell him honestly, simply, kindly, but firmly. Don't make a big production. Don't make up a elaborate story. This will help you avoid a big tear-jerking scene. If you want to date other people, say so. Be prepared for the boy to feel hurt and rejected. Even if you've gone together for only a short time and haven't been too serious, there's still a feeling of rejection when someone says she prefers the company of others to your exclusive company. But if you're honest and direct...