We all know that sex is fun. We also know that going to the gym can be kind of boring. Exercise is supposed to be fun, so why not combine the two? Sex is one of the best calorie burners you can participate in. All you need to do is find someone on the site to be your exercise partner and you’re golden! Below is a short list of the best sex positions you can use to burn as many calories as possible. Would it surprise you to know that even if you’re doing the dirty in the classic missionary position you’re burning about 40 calories per minute? That’s not bad considering it can take...