The rush of making someone else laugh cannot be denied. It's one of the best feelings in the world, especially if you get a laugh from someone who doesn't give it up easily. Some folks are laugh-happy, they'll giggle at almost anything you throw their way. Those people are essential to the fabric of society, but getting a laugh from them doesn't feel like you've accomplished anything. The stoic ones, on the other hand, are a comedian's white whale. They can come in many shapes and forms: your s…