What I've learned from reading "How to win friends and influence people" by Dale Carnegie

A smile is one of the easiest and most important things you can do to make a good first impression and to create a likeable, approachable image.

A firm handshake is another easy way to create a good first impression. It conveys confidence and shows that you're sincere.

Active listening is a skill that is often overlooked but is crucial in building relationships. It involves being fully present and engaged when someone is speaking to you, and it shows that you value what they have to say.

Asking questions is a great way to get to know someone and to show that you're interested in them. It's also a good way to keep conversations flowing.

Compliments are a great way to make someone feel good, but they only work if they're genuine. sincerity is key when giving compliments, and it's important to avoid giving insincere or backhanded compliments.