1. He asks you questions to see if you're available.Is a guy in your life asking a few personal questions? He might be interested, says relationship expert Justine Mfulama. "When a guy likes you, he will try to find out if you are seeing someone," she says. "He will ask subtle questions about your life that tell him whether you are available or not. This helps him to decide whether he can make his move." Questions about your family, whether you have any roommates, or what your plans are for the weekend could all indicate that you have a potential crush on your hands.