There is nothing like regular communication to get to know a person better. Today we are living in a technology driven world where knowing about a person and keeping in touch with them is never difficult. If meeting them regularly is not possible, you can talk on the phone or chat online. Try to know about different aspects of his life, including his work, his passions, his thoughts regarding marriage, about women in general. Understand his lifestyle, his hobbies and passions. The more you interact, the better you get to know him.