Every man appreciates a woman who is willing to switch things up in bed. Especially if you’ve been together for years! But, there is a delicate balance everybody—including men—likes to keep in the bedroom. Some like to be controlled. Some like to control. Some like to be thrown for a loop. Some need to be introduced to new things, slowly. But, there’s nothing worse than a bad surprise in bed. So, for the sake of not potentially freaking out your partner, approach these activities like this.