Constantly remind quiet people (in private) that their input is important and valued. Reinforce your role as protector and remind them if they have avoided making a contribution when, perhaps, they should have spoken.
While creating sentences they want to communicate, they utilize information stored in long-term memory, which is a lengthy and complex process. That can explain why introverts need more time to think about what they want to say.
Ask them questions and know what they like:
Asking questions in a light-hearted manner might help them to get to open up and talk about what they like. Noticing as to what they like to talk about at length could be of help too. You could thereafter ask questions related to topics that you found interested them.
Respect Their Space
Introverts often need more time alone than other people. If you notice that an introvert is ignoring you, respect their space and give them some time to themselves. They will likely come back to you when they are ready.
Extroverts' brains run on an energy-spending nervous system, whereas introverts' brains run on an energy-conserving nervous system. This is why introverts feel content and energized when reading a book, thinking deeply, or diving into their rich inner world of ideas.
Angry Introverts are in a sensitive state, and they can easily become overstimulated by too much social contact. Interestingly, Introverts won't usually respond to their anger by leaving altogether.
Unlike shy people, Introverts are not necessarily bound by fear. If Introverts choose not to speak, it's because they prefer not to rather than because they are afraid. The other side of that coin is that there is nothing basic to their makeup that stops Introverts from talking as much as they like.
Introverts often find themselves needing more time and space for rest, inward reflection, and recharge – more time alone, quieter or stillness, or more time in environments or situations with lower stimulation.
Fear of retaliation
If your opinion contradicts that of someone important to you, you may be afraid of the repercussions of speaking up. Although it's unethical, drawing attention may result in loss of income, opportunities, comfort, or status — and proving retaliation can be difficult.
Pay attention when you feel resentful.
Ask yourself why. Get clear about what is bothering you and why you need to speak up. Plan how you might express this effectively. Then choose your timing well.
Ask open-ended questions.
Since shy folks tend to dislike small talk, ask them questions that will help you get to know them better and that'll allow them to talk about themselves. Ask things like “So, why'd you decide to move here?” or “How do you get up so early to work out every day?”
Introverts tend to prefer deep and meaningful relationships over a large social circle. Being an introvert, you know only too well how to spend time alone. But it's also important to have social interaction—it might just look a little different to someone who's an extrovert.
Causes of Introversion
Researchers have found that introverts have a higher blood flow to their frontal lobe than extroverts do. This part of the brain helps you remember things, solve problems, and plan ahead. Introvert brains also react differently to dopamine than extrovert brains do.
According to relationship therapist Tracy Ross, LCSW, introvert-extrovert relationships are pretty common, and that might be in light of humans craving balance. “Introverts and extroverts are attracted to each other because of the differences,” says Ross.
Here are some ways an introvert who is crushing on you may try to converse with you: Asking personal questions about your life. Sharing their interests in detail. Confessing something personal but small as a way of letting down their guard.
They will want to know more about you
They like to know every little thing about the person they love. They will ask you about your likes/dislikes, hobbies, etc. If you find them asking you questions about these topics, it is one of the more obvious signs that an introvert likes you. Don't worry about boring them.
Strengths: creativity, problem-solving, listening, empathy, focus, persistence. Introverts possess a range of strengths that can be highly valuable in various aspects of life. Their introspective nature often leads to enhanced creativity and problem-solving abilities.
When an introvert truly cares about you, they let you in on their personal life. They tell you about their past relationships and share their fears, hopes and dreams with you. They may even go so far as to share their goals and ambitions with you.
When an introvert doesn't like you, one of the signs is that they don't show any interest in you. They don't ask about your life or what you are going through at work. An introvert that feels ambivalent toward you or one who is very happy with you will make some effort at social niceties.
Enjoy with Them in Silence -
If you want to feel comfortable with introverts, do it with silence. Enjoy with them by just playing a few songs and maybe dancing with them. Greet them with a smile and a gentle hug. It will make them feel comfortable with you, and they will open up in some time.