Dear Future Brother In Law,

Hello and congratulations. I say this not because you will, at some point marry my little sister, but congratulations for that, too. I say congratulations because if you have even made it to the point where you are considered a fiancé, you've survived our father and that is a feat in itself.

All jokes aside, at some point you will marry my little sister. If you have made it to this stage with her, you are a very, very special man. My sister is a special person. She is sweet, and kind, and caring. She doesn't always show that side of her, but it's there. You should know all those things by now, so I will tell you some other things.

1. My sister is not a nice person if she doesn't get enough sleep. I love her but after about 3 a.m., she tends to get brutally honest. Now understand, this is not a bad quality, but if you have done anything to upset her, you might not like what she says.

2. My sister takes A LOT of photos: You also will probably already know this, but I'll tell you again. I advise you buy a hard drive so she can upload all her selfies. She loves how she looks, and I am so proud of her for that. She will take a lot of photos; she will keep nearly all of them. (At the time I am writing this, she still has the selfie she took on the day she got her phone in her library.)

3. My sister probably is the most stubborn person I've ever met. My sister is the person who told me that she would change the names of my kids if I picked a name she didn't like. She says it how she sees it, and it is an impressive quality for her to have. Don't ever try to change it. I promise you will get many laughs from it.

4. My sister has a tough exterior. Don't hurt her. It will be hard to get her to forgive you, and even more difficult to get my family to forgive you. She will fight with everything she has, even if inside she is hurting. You need to ask her if you think something is wrong. If she doesn't automatically tell you, give her a chance to compose herself. She will tell you at some point.

5. My sister is a terrible decision maker sometimes. Occasionally my sister will not make decisions for herself. She will ask you your opinion on things she likes like 100 million times. Hopefully, as she gets older, this trait will get a little easier to deal handle.

6. My sister LOVES to go to the store. Swear to God, my sister will go with you almost EVERY TIME you go shopping. Even if she doesn't want to buy anything, she just likes stores. It's weird, yeah. But you'll have some exciting adventures.

7. My sister plays lots of pranks. When we were younger, her and our cousin placed thumb tacks on the floor and turned off the light. My brother ended up walking over them.

Currently, I don't know you. However you should be aware, my sister is my best friend. We fight because we are sisters and that is what we do. But I will always be here for her. I will go to jail for my sister. So do not do anything to hurt her in any way (mentally, emotionally, etc.)

I am very glad you found my sister, but I am even more glad she found you. She deserves someone to love her fully and comprehensively. She is an incredibly special girl, and I know she will grow up to be an amazing woman. Love her completely and wholly. Welcome to the family. Enjoy your stay.

Love,
The Big Sister.

P.S. I'm watching you.