If you want your sister's friend to stay away from you, just tell her. Otherwise tell your sister about it and ask her whether it would be ok with her if you were with her friend.
She was his sisters best friend when Theodore was little. They grew up together.
well when demi was little her best friend was Selena
Let your best friend be with him. That’s part of friendship. Sisters before misters.
Emily`s best friend is noah Cyrus (they are like sisters)
Immature
A little wizard is a big wizard's best friend and a gary's friend. A little wizard is very wizardous.
Flounder, a fish, is Ariel's best friend in The Little Mermaid.
the rose
Yes.
they had many, but Jesus was their best friend
his best friend ever is probably Taylor harrington or Harvey little
It means that he wants to become your best friend. There's nothing wrong with him bring your friend unless you have a problem with it.