The symptoms associated with Asperger’s Syndrome can persist throughout life. In adults, several signs may indicate the presence of the disease:
specific manner of speaking. Sometimes this is an unusual timbre of voice or lack of intonation. Often there are almost no pauses in the speech, it is more like a 
monologue, during which the interlocutor is almost not listened to and a lot of facts are told to him.
Poor facial expressions and gestures. The reason is in problems with non-verbal communication.
Unusual eye contact. During a conversation, a person with Asperger’s syndrome simply does not need to look into the eyes of the interlocutor, but if you draw his attention to this, on the contrary, he may begin to look too intently.
Problems with empathy. Due to the peculiarities of perception, such people find it difficult to understand other people’s emotions, and therefore it seems that they are not able to show empathy or empathy.
Incorrect behavior. The disease makes it difficult to interpret the reactions of others and intuitively correctly build their behavior. This can make the behavior appear rude, distant, or ill-mannered.
Concentration on one topic or subject. This can manifest itself in a conversation when a person begins to talk for a long time and in detail about what he is passionate about, to show an obsessive interest in something, to talk non-stop on the same topic, without noticing that other interlocutors are not interested or uncomfortable.
Strive to plan. With this violation, it is important to follow a certain order or follow certain rules in everything. Any change can cause discomfort, anxiety, and even panic.
Manifestations of sensory sensitivity. Due to the altered perception, sounds, light, tactile sensations can cause discomfort. It is described as if the world becomes several times louder, brighter, noisier. This perception affects behavior: a person avoids hugs and touches or tries not to go where there is too noisy.
How do I know if I have Asperger’s Syndrome https://en.wikipedia.org/wiki/Asperger_syndrome?
Below is a list of statements specific to this disease:
It is difficult for me to understand what others feel, what they think.
I find it difficult to interact with other people or groups of people.
It’s hard for me to conduct small talk, to keep up conversations on abstract topics.
I often try to shift the conversation to a topic that interests me (even if the other person is not interested in it).
Often people around me consider me a rude or ill-mannered person.
I have narrow or unusual interests on which I can focus fully and for a long time.
I pay attention to details and remember facts well.
It’s hard for me to make friends or meet people.
I prefer to always act in a certain way and not change the order of actions at all.