To have a sister is one of the purest joys of life. She is a support system that will never leave your side and will stand by you through every thick or thin. While you may experience some bumps in your relationship with each other, there is no way they’ll abandon you in times of need and during your difficult days. However, depending on the kind of nature your sister has, much can be deciphered about their bond with you. That said, here are the zodiac signs who make the best sisters and will never give up on you ever.