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A person isn't going to jump to be your best friend if you don't seem willing to put work into the friendship. Great best friends are there when you need them. Make sure you are there for the people around you and spend time with them when you can. Showing that you are truly interested in their happiness and well-being will make them see that you are a true friend. This could mean sending texts to check in, bringing them soup when they aren’t feeling good, offering your time when they need help, and opening yourself up to them. It may make you feel vulnerable doing this, but it increases your chances of finding a best friend. People generally like to talk about themselves. This isn't done in an arrogant way--it's just how they best relate to others, through their own stories. Find out all you can about potential friends. Show interest in them by asking questions that get them talking. Ask questions like, “What’s your favorite thing to do?” “Why did you choose this career path?” or “Who is the person who influences you most?” Asking different questions like this allows you to get to know them on a personal level and opens up the beginnings of a great friendship. It’s difficult to maintain a relationship with someone you don’t see. You also may make them feel like they aren’t worth your time if you don’t see them often. Do what you can to share your time with them and they will see that you think they are worth the effort. Although going out and attending events together is fun, you don’t always have to do something. Just being in the same room together and chatting about what is going on with your life is often more fulfilling. Part of being a good friend is acting as a cheerleader. You have the ability to make others feel good about themselves, and this is something you should take on for your friend. When you are able to lift up their spirits and support them, they will likely be grateful to you and your friendship, which can allow it to become stronger. What makes a best friend stand out from other friends is your ability to share anything with them. Best friends have secrets that are kept between them. You can show your capacity to be a best friend by being honest with your friends and keeping their secrets.  If a friend tells you something, don't share it with anyone else. Unless, of course, your friend is in danger, you should keep your lips zipped. Trustworthy people are also honest. If your friend asks you a serious question, tell the truth, even if it hurts. For instance, if a close pal asks, "Do you think I should go to second-base with Josh?" Show your concern by saying "I think you should wait until you're sure he really cares about you."
Be available. Act interested. Spend time together. Make people feel good about themselves. Demonstrate trustworthiness.