Understanding whether someone's interest in you is genuine or not can take time and observation. It's important to pay attention to their actions rather than just their words. Here are some signs that can help you determine if someone's interest is real:

1. **Consistency**: Genuine interest is accompanied by consistent behavior. Pay attention to how regularly they communicate with you, make plans to see you, and show interest in your life.

2. **Investment**: Someone who is genuinely interested will invest time and effort into getting to know you and building a connection. They will ask questions about your life, remember important details, and make an effort to make you feel special.

3. **Communication**: Open and honest communication is key in any relationship. If the person is honest with you about their intentions and feelings, and encourages you to do the same, it's a good sign that their interest is real.

4. **Actions match words**: Watch out for inconsistencies between what they say and what they do. If someone constantly makes promises but fails to follow through, it may be a red flag that their interest is not genuine.

5. **Respect**: Someone who truly cares for you will treat you with respect, value your opinions, and consider your feelings. If they consistently disregard your boundaries or make you feel uncomfortable, it may be a sign that their interest is not sincere.

It's important to give yourself time to observe these signs and assess the situation before jumping to conclusions. Trust your instincts and remember that it's okay to take things slow and protect your heart. If you have concerns about someone's intentions, consider having an open and honest conversation with them to clarify where you both stand.