You don't choose your family. They are God's gift to you, as you are to them.
To have a loving relationship with a sister is not simply to have a buddy or a confident. It is to have a soulmate for life.
Having lots of siblings is like having built-in best friends.
Sibling love is, of all sentiments, the most abstract. Nature does not grant it any functions.
Siblings are branches of a tree. They may grow in different directions, yet their roots remain as one.