We may have argued as kids

You are the best sister in the whole world, and I’m proud to have you as a friend too. Happy birthday, my...

My wish to have a sister has come true, for now I have you. So I wish all your wishes may come true on your...

On this special day we celebrate another year of your life. I love you a lot and I'm very proud to have you as...

I am so lucky to have you as a sister-in-law. Thank you for always treating me like a friend, rather than as...