An account-i-billi-buddy is someone you not only exercise with but also talk to about exercise philosophies, you lean on each other when one of you doesn’t feel like working out, you spot each other and offer each other encouragement to make sure you’re getting maximum effort out of your fitness routine. Also, there is strength in numbers and having someone to lean on to help you figure this stuff out can be really helpful especially if you’re nervous about taking your first exercise steps. Simply put an account-i-billi-buddy is someone you exercise with, but in order to have a successful relationship with this person you need to make sure it’s a right fit for both of you, so these are some things you need to look for in a person you want to exercise with.