It's important to remember that people's behavior can be influenced by various factors, and it's not always easy to determine the exact reasons behind someone's actions. However, there are a few possible explanations for why an introvert might act hot and cold towards you, even if there's no romantic interest involved:
Personality Differences: Introverts and extroverts often have different ways of interacting with others. Introverts might need more time alone to recharge, leading them to fluctuate between being more outgoing and engaging and then withdrawing to recharge their energy.
Social Anxiety: Some introverts may experience social anxiety, which can make them appear inconsistent in their interactions. They might feel comfortable and engaged one moment, and then anxious and distant the next.
Communication Style: Introverts may have different communication styles than extroverts. They might be less expressive or have difficulty expressing their emotions, leading to apparent fluctuations in their behavior.
Emotional Boundaries: Introverts can be very sensitive to their emotional boundaries. They might become overwhelmed or feel a need to protect themselves from emotional connections, even if it's not a romantic interest.
Lack of Interest: While you believe there is no romantic interest, it's possible that the person is unsure about your intentions or has misinterpreted signals. They might be acting hot and cold because they are unsure of how to approach the situation.
Personal Struggles: People go through various personal issues that can affect their behavior. An introvert might be dealing with stress, family problems, or other issues that make them act inconsistently.
Past Experiences: Past experiences, such as previous difficult relationships or friendships, can impact how someone interacts with others. It might make them wary and hesitant in forming new connections.
Remember that understanding someone's behavior requires open and honest communication. If this person's inconsistency is causing you concern or confusion, consider having a candid conversation with them about how you perceive their behavior. It's possible they might not even be aware of how they come across or that their actions are affecting you. Approach the conversation with empathy and a willingness to listen, as it can help to build a better understanding of their perspective and foster a more comfortable relationship.