Whether your best friend moved away or will just be away for a while, writing a paper letter sends the message that you care about them. Even if you live next door to each other, writing a letter can still be a great way to express your appreciation for someone. You can make your letter special with pretty stationary and thoughtful statements. Plus, your best friend can keep your letter as a memento of your friendship and read it anytime they need a reminder how much you care about them.
Part One of Three:
Getting Ideas for Your Letter Edit
Take notes. It can be scary to sit down to a blank page and try to write a long, meaningful letter. Even though you know your best friend well, it can still be difficult to think of what to write.
- As you go through your day, take notes of little things you think your best friend would like, events you want to tell your best friend about, or just things you find funny. Your friend will appreciate that you include these little details about your daily life in the letter.
- You can do this in a physical notepad, but it can be convenient simply to keep notes in your phone using a note-taking application with a section titled “Best friend Letter.” 
- When you sit down to write your letter, look back over your notes to get ideas of what you want to include as you write.
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Think of questions.  When you write, you want your best friend to know that you’re interested in them. Even though you’re best friends and likely have been for a while, there’s always more to learn about each other.
Ask them questions, and let them know your answers to those questions. Fun questions you could ask include:
- “If you were an animal, what animal do you think you’d be, and why?” You can even tell them what animal you think they are like.
- “If you could meet one fictional character in real life, who would you want to meet?”
- “If you could choose to magically have any ability or skill, what would you want to be able to do?”
- “Do you think aliens are real?”
- “What makes you happiest?”
- “What’s a food that you absolutely hate?”
- “Who do you have a crush on right now?”
- “What’s your favorite thing that we do together?”
Make plans for when you see them again. These plans could be specific or just general fun things you’d like to do together.  Having plans written down will make you excited to see your friend and do new things together.
- Plan to marathon your favorite movies.
- Decide you’re going to have a two-person book club.
- Think of a project you’d like to do together.
- List out places or attractions you’d like to visit.
Tell them what you like about them. Sometimes, when you have a best friend, you’re so comfortable with each other that you don’t have to talk about your friendship, it’s just a given. A letter can be a nice way to express the things you always know but never say.
- Think about the qualities you admire in your friend.
- Also, think of times that they helped you or made you feel better.
Fold your letter.  You want to fold your letter, if it is on standard-sized paper, into even thirds.
Once you fold your letter, slip it into your envelope.
- Seal the envelope by licking it or using a sponge to wet the seal.
- You can also place a sticker or a piece of decorate tape over the front flap of the envelope for extra security and decoration.
Address the letter.  This is how the post office knows where to send the letter. First, write your best friend’s ful name on the back middle of the envelope.
- If you don’t plan to mail the letter, you can simply write the name.
- If you do want to mail the letter, write the street number and name on the line underneath the name. On the next line, write the city, state, and zip code.
- In the top left hand corner, write your own name and address. Then stick a stamp in the top right corner of the envelope.
Place the letter in the mailbox. When you put the letter in the mailbox, put the mailbox flag in the upright position so that your postman knows that you want something delivered.
- You can also take it to the post office, instead of placing it in your own mailbox. This will decrease the time it takes for your letter to get to your best friend.
- If you include anything extra in your letter that makes it heavier, it is a good idea to take it to the post office to make sure you use enough postage.
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