2) He likes talking to you
An introvert often feels shy around people. But if he likes you, he will try to start the dialogue, which is something he barely does! Introverts, even the confident ones, feel uncomfortable speaking. Small talks and phone calls are a real pain for them, so they'd rather write than talk.
Introverts prefer quiet, minimally stimulating environments, while extroverts need higher levels of stimulation to feel their best. Stimulation comes in all forms – social stimulation, but also lights, noise, and so on.
Introverts are generally more attuned to expressing love in nonverbal ways and don't tolerate sentimentality. They also need more time to express their affection, so patience is very important at the beginning of the relationship.
Independence. Unique and fiercely independent, introverts are more inclined to let their own inner resources guide them than follow the crowd. We do our best work — and are our happiest — when we have the freedom to explore ideas, spend time alone, and be self-directed and independent.
Introverts are good at reading people and understanding social cues. People are naturally attracted to people who seem to understand them. All too often, they misunderstand an extrovert's love of social interactions as proficiency at reading people and understanding those interactions.
An introvert who is attracted to you may: Start appearing around you more often. Make eye contact frequently. Gradually reveal more and more personal thoughts and feelings.
Although there are times when introverts enjoy the rush of physical affection, other times, when they are drained or tired, touch can feel invasive and overstimulating. On the other hand, extroverts gain energy when they are close to others, so physical contact with their partner is a pick-me-up.
An introvert in love tends to say little but means what he or she says to the word. Therefore patience proves to be the best idea when you are in love with them. They will go out of their way to accommodate you. They'll go to the party that you want to go to, they'll even start hanging out outside every day.
Casual sex is sometimes a no-go.
In other words, according to Dembling, introverts “like to jump into the deep end.” Rather than devoting their time and social energy to someone they're never going to see again, introverts commonly favor being around those they've cultivated an intimate, personal relationship with.
Introverted men love an open, no-pressure vibe.
They love the feeling of no-pressure spaciousness when it comes to both social and romantic interactions. They love hanging out with their buddies, all of them laughing without a care in the world.
Introverts love alone time and need it to recharge. If an introvert is not looking for a relationship and prefers to be single, it's important for others to respect that.
Introverts rarely ever make the first move when it comes to relationships because introverts and dating are subjects that need the assistance of a third party. If you're interested in a quiet person, the subtle signs they give are enough to reveal your attraction to them.
They actually don't flirt
The first clue to finding out if an introvert is flirting with you is that they won't flirt with you in an obvious way. They'll try to make a good conversation while you're around them and make sure that you have a good time, but that's it.
Highly sensitive introverts notice little things that others miss. A lot of little things, especially when it comes to other people. They notice when someone's tone of voice doesn't match their words. They notice when someone won't meet their eyes when answering their question.
By extension, introverts typically prefer more submissive social roles, and tend to be less impulsive.
Since research suggests that certain introverts tend to be fantasy-prone, it is not surprising this characteristic applies to romantic fantasies as well. Some introverts enjoy fantasizing about, or “losing oneself” in romance, whether the fantasy is based on a real-life scenario or fiction.