Someone other like why
If a person likes you, then most probably he will stand close to you without realizing it. By invading your private space, this person will think that he is getting closer to you. (See What is personal space in body language?)
The person’s back will become straight in your presence
According to body language, a person’s back becomes straight when he feels happy. If a person likes you, then most probably his back will be straight around you. If the person’s back changed from curved to straight when you arrived, then it’s a more powerful sign.
The person will touch his brows
If a person touched his brows after you said something, then this means that the thing you said appealed to them. If a person touches his brows often in your presence, it could sign that this person likes you.
Will Face you with their bodies
If a person is interested in someone, he will Face them with his body while talking to them. If a person faces you in such a way that both your shoulders and his shoulders are parallel to each other, then you can count it as a sign.
Will keep you in their line of sight
If a person likes you, this person will keep you in his sight of sight as much as possible. Even if that person was standing far away, he will still face you with his body to keep you in his line of sight.
Real Vs fake smile
If a person smiled at you then the muscles around his eyes should move. If a person smiled with his mouth only, then the smile might not be that genuine.
Tossing the hair backwards (Women)
When a woman finds a person interesting, she might toss her hair backwards, revealing parts of her skin. If this gesture was made more than once in the presence of a man, then this woman might be interested in that man.
Pointing towards you with their toes
If a person likes you, then most probably that person will point towards you with one of his toes even if he was sitting far apart.
The smile will last
If a person likes you and said something that made him smile, then his smile will last for some time. The more the person keeps smiling, the more likely is it to be a sign of interest.
If a person likes you, then he will keep gazing at you while talking more than usual. A prolonged gaze is one of the universal signs of interest.
According to body langue, a person’s pupil dilates when he sees something that he likes. If a person’s pupil dilates in your presence, this might be a strong sign of interest.
In the early stages people feel anxious around the ones they like. If a person always felt anxious around you but was confident when dealing with others, then there is a big chance that he likes you. (See The Body Language of Anxiety)
If a person likes you, then his eyes might shine in your presence.
Looking at you after saying a joke
If a person likes you, then he will look back right after saying a joke to check whether you liked it or not.
A person who likes you will very likely become hyperactive in your presence or right after you leave. This hyperactivity is usually caused by happiness.
Mentioning you in your absence
When a person likes somebody, then most probably he will mention him in his absence. In such a case, that person will try to talk about his crush by saying anything related to him even if it wasn’t a compliment.
Grouping you together
If a person likes you, then he might put himself with you in a group as he speaks. For example, saying something like ‘Me and Janna like swimming’ or ‘We both like Italian’ are examples of grouping that could indicate interest.
Change in behaviour from negative to positive randomly
If a person treated you nicely one day then negatively in another day in a random manner, this could be a clear sign that he is changing his strategies to attract you.
Spending their time doing your tasks
A person who likes you will most probably spend much of his time getting your important goals done. If someone is sacrificing a lot of his time for you, it might be a sign of interest.
Hardly yawning in your presence
If a person likes you, then he will hardly get bored in your presence. While some possible reasons for yawning, some body language experts claim that it’s a sign of boredom. If that theory is true, then this person will hardly yawn in your presence.
Complementing you often
If a person is into you, then he might compliment you often. While the absence of this sign is not an indication of anything, it’s presence usually indicates interest.
The person will mirror your body language (Rapport)
According to NLP, neuro-linguistic programming, a person will mimic the body language of another person unconsciously if he finds that person interesting. If a person mimics your gestures, then he might be interested in you.
Meeting you by coincidence many times
If a person likes you, he will probably change his schedule to bump into you more often.
Will keep asking questions
If a person is interested in you, he will keep asking questions, and as a result, a conversation with that person might take longer than expected.
Will use your name more often
If a person likes you, then he will use your name more often. People usually feel better when they call the ones they like by name.
Might become interested in your hobbies
If a person like you then he might become more interested in your hobbies.
Will ask for another meeting
If a person like you then he will try to find any other excuse to meet you again.
Finding you Nicknames
When a person likes another, then he might try to find a nickname for that person. Usually, people don’t do that for the ones they aren’t interested in.
Remembering all the small details of your talk
If a person is into you, then he will remember all of the small details you mentioned while talking to him.
Calling for non important reasons
If a person likes you, then he might try to find any excuse to call you for even if it was something irrelevant or unimportant.
Lifting the eyebrows
According to body language, if a person saw someone who looked really good, he might raise his eyebrows in surprise as soon as he sees him.
Smiling for no reason
If a person likes you, then he will smile for no reason in your presence. The more the person smiles, the more likely it is a sign that he likes you.