When it comes to determining if an INTJ (Introverted, Intuitive, Thinking, Judging) likes you romantically, it can be a bit challenging as they are known for their reserved and analytical nature. However, there are several signs that can indicate their interest in you. Here is a detailed description of how you can tell if an INTJ likes you romantically:

1. Intellectual engagement: INTJs are highly intellectual individuals who appreciate deep and meaningful conversations. If an INTJ likes you, they will engage in lengthy discussions with you, sharing their thoughts, ideas, and interests. They will actively seek your opinion and value your intellectual input.

2. Spending time together: INTJs are typically selective about the people they spend their time with. If they enjoy your company and want to get to know you better, they will make an effort to spend more time with you. This could involve inviting you to events, suggesting activities, or simply finding excuses to be around you.

3. Sharing personal information: INTJs are generally private individuals, but if they like you, they may open up and share personal details about their life, experiences, and aspirations. This is a sign that they trust you and want to establish a deeper connection.

4. Thoughtful gestures: INTJs may express their affection through thoughtful gestures. They might remember small details about your preferences, surprise you with meaningful gifts, or offer assistance when you need it. These actions demonstrate their care and consideration for you.

5. Analyzing your compatibility: INTJs are known for their analytical nature, and when they develop feelings for someone, they may start analyzing the compatibility between the two of you. They might observe your behavior, interests, and values to assess if you align with their own ideals and goals.

6. Initiating deep conversations: INTJs are not typically interested in small talk or superficial discussions. If they like you, they will initiate conversations that delve into deeper topics such as philosophy, psychology, or future plans. They want to explore your thoughts and perspectives, indicating their desire to connect with you on a profound level.

7. Respect for your independence: INTJs highly value their own independence and respect the independence of others. If they like you, they will appreciate your personal space and autonomy. They won't try to control or smother you but will instead encourage your growth and individuality.

8. Direct communication: While INTJs may struggle with expressing their emotions, they are generally straightforward and direct in their communication. If an INTJ likes you, they may drop subtle hints or engage in honest conversations about their feelings. They might express their admiration for you or show vulnerability, which is a significant indicator of their romantic interest.

9. Long-term planning: INTJs are future-oriented individuals who often have a clear vision of their goals and aspirations. If they see a potential future with you, they may start including you in their long-term plans. They might discuss future projects, travel ideas, or even mention the possibility of a committed relationship.

10. Physical proximity: Although INTJs are not typically known for being physically affectionate, they may display subtle signs of physical proximity if they like you. This could include standing or sitting closer to you, finding excuses to touch you lightly, or maintaining eye contact for extended periods.

It's important to note that every individual, including INTJs, may display different signs of romantic interest. Therefore, it's crucial to consider these indicators in conjunction with their overall behavior and personality traits. Communication and open dialogue are key to understanding an INTJ's feelings, so it's always best to have an honest conversation to clarify any doubts or uncertainties.