A good sister is more than a good friend.

A good sister is more than a good friend. If sheloves you, she would
do for Allah's sake, with no self-interest. When you'rewith her, you
won't be hurt or ignored. She loves for you what she loves for
herself. She is always concerned about your hereafter and your own
good, she will always remind you of obeying Allah. she alwaysgives
advice, shares her knowledge, keeps contact with you, asks about you
and will always be there for you.
In this Dunya, she is a trustworthy and loving companion. In the
Akhira(the hereafter), because of her love you will be shaded under
Allah's shade, in shaa Allah ♥
The Prophet ﷺ reminds usof the importance of good company in this
hadith (record of the Prophet ﷺ): "A good friend and a bad friend are
like a perfume-seller and a blacksmith: The perfume-seller might give
you some perfume as a gift, or you might buy some from him, or at
least you might smell its fragrance. As for the blacksmith, he might
singe your clothes, and atthe very least you will breathe in the fumes
of the furnace." [Bukhari, Muslim] —