I have two little sisters, and we call them twins even though they're as different as night and day.
Spring of my Junior year, my friend Kathleen came to some Informal Rush events, and eventually pledged Kappa with me as her big. Kathleen and I are very similar - we're both theatre majors, both have the same values, both like the same sorts of things. It seemed like a perfect match. Then, due to some money issues, Kathleen couldn't be initiated, and I was heartbroken. I wanted her to be my little sister SO much, and now I wasn't going to be able to share Kappa with her.
So fall rush comes around, and I don't really click with any of the new members, but I list 3 that I like for my little sisters. The New Member Educator tells me that Tracy has put me down as her first choice for big, and would I like to do it? I thought about it for a LONG time, because Tracy and I had maybe two conversations, and we seemed to have nothing in commmon - she's really outgoing and kind of a crazy partier, and I'm more shy and reserved - but I wanted a little, so I took Tracy. Everyone was saying what a weird pair we were, but as we got to know each other better, the pairing made more and more sense - we really balance each other out.
A few weeks before fall initiation, Kathleen mentioned that she had sorted out her money issues, and wanted to come back to Kappa - but only if I could still be her big. So long story short, she came back to the chapter, and I got to initiate two very darling and dear little sisters into my sorority.
And even though we don't make any sense together, we're one of the closest families in the sorority!