Manipulation is generally a bad skill to use to get what you want, but sometimes it's justifiable when you have a noble cause. Perhaps you're trying to get someone to live a healthier lifestyle or enjoy an activity with you.
When other tactics fail you and it's time to resort to a little manipulative behavior, here are some tricks you can use to get what you want without being completely abandoning your ethics.
Nobody enjoys being tricked, so you don't want to use anything you learn in this post for evil purposes. Most of what we're going to discuss is simply a matter of creating a scenario where it's more likely that whoever you're trying to manipulate will be happier and enjoy themselves more.