• When talking to someone who is trying to manipulate you, look at their forehead slightly above the eye line. Then it will be harder for them to lie or try to influence you.

• People`s irrationality in making simple decisions. You arrive at a store and choose jeans for $60. You compare prices online and see the same pair for $20 in a store. Would you drive to buy them? Most people say yes. Now imagine you chose a refrigerator for $2,440 in the store and find the same one for $2,400 a 15-minute drive away. Would you go for the cheaper one? Most people say no. When asked why they would drive for pants but not for a refrigerator, they talk about the relative difference - it`s irrational behavior. It`s an extra $40, and that`s all that matters to a rational person.

• Guilt can literally be washed away. After washing hands or showering, people feel less guilty. This study shows that even watching someone else wash their hands reduces pangs of conscience.

• Murphy`s law states that the best way to learn something on the internet is not to ask a question, but to post a wrong answer and let people correct you.

• Our class repeated an experiment where half the group held a pencil in their teeth, and the other half on their upper lip. Then we were given a comic and asked to rate how funny it was. Those who used facial muscles associated with smiling (pencil in teeth) found the comic subjectively funnier than those who were frowning. The choice between smiling or frowning can change your feelings and perception of life.

• If someone at work is distracting you and doesn`t realize it would be good to leave you alone, print something and ask them to follow you. When you take the paper from the printer, lead this person to their desk instead of back to yours. They will sit down, thinking they decided to return to their workplace themselves.

• When you talk to someone and the person tells you something, ask them at least one question before starting a new conversation topic. This shows that you are listening and interested, and the person will feel important.

• I work at a camp with children from 3 to 4 years old. Sometimes it happens that they, for example, bruise their fingers, at the same time - everything is fine, but the children cry as if the world has just collapsed. I offer to bandage the wound with a plaster and take them to the nurse. I wrap the bruised spot, even if there`s no wound, and ask if they feel better. The children smile and say nothing hurts anymore.

• If someone is snoring when you`re trying to fall asleep, but you don`t want to wake them, knock on a wooden table or cabinet. Probably the `sleeping` person thinks someone is knocking on the door, because it stops the snoring for at least 5 minutes.

• A good trick is to go on a date to an amusement park, on roller coasters. If the date likes it, then the nervous state the person is in due to riding the roller coasters will be mistakenly taken for butterflies in the stomach, and they will fall in love with you more strongly. But be careful: if the person doesn`t like you, these feelings will be perceived as disgust and the impression of you will only worsen.

• When you thank someone for their behavior, the person is more likely to behave that way, even if they have never done it. An experiment was conducted in kindergarten. Children from the first group were asked to clean the room more carefully because it was very messy. The second group (control) was told nothing, but children from the third group were thanked for tidying the room well. In the end, they were much better than the others.

• If someone is trying to get you to make a decision in a hurry, most likely, they are offering you a deal with bad terms. Refuse.

• I am a guy of average height, I don`t work with clients and almost always dress casually. Once I returned from a funeral and went to the grocery store. I noticed that the seller treated me differently, maintained long eye contact, addressed me as `sir` etc. Then it occurred to me that it was because of the suit and tie. Since then, I often dress like that and almost always notice that I am treated better than when I`m in jeans and a T-shirt.

• Cognitive dissonance. If our actions don`t match our beliefs, desires, etc., then either the actions or thinking change. According to the law of attraction, if you want something, pretend you have it. When I was very shy and wanted to make friends and boyfriends, I told myself: `I am not shy. People love me! I have many friends.` My thinking didn`t match my behavior, but in the end, I started acting in accordance with my beliefs. So the law of attraction is not a proven fact, but cognitive dissonance.

• Chameleon effect - `unconscious imitation of postures, manners, facial expressions and other forms of conversation, where a person unwittingly adapts to others in the current social environment`. Have you seen that if you scratch your nose or cross your arms when talking to someone, they will do the same? Chameleon effect.

• If you are at a party and have a drink in your hands, don`t hold it at chest height, but lower it to hip level or slightly lower. Body language experts say that this way you project confidence and openness, and people feel more desire to communicate with you;

• Pavlov`s theory. With enough practice, some event can affect us psychologically or physically. If you chew gum while studying for an exam and then chew gum with the same flavor during the test, you remember what you learned much faster, because your brain connects the chewing process with the information you acquired at that moment.

• Nocebo effect. In South Africa, there was a group of people suffering from electromagnetic hypersensitivity due to a new mobile communications tower. People experienced headaches, nausea, etc. and claimed that symptoms receded when they moved away from this object. As a result, when they told the court about it, the tower owner reported that the tower had been off for the last 6 weeks.

• In my environment, everyone considers me sociable. But I am an introvert, and I don`t like going out. The trick I use when going to an event is to choose one person and ask them a question about themselves. It can be just a phrase: `I like your shirt, where did you get it?`, which will start the conversation. People like to talk about themselves, and when you run out of ideas, simply ask the person a question about them.

What other psychological phenomena do you know? What have you tried in life?