Love God and your neighbor. I believe that both of these commands are challenges. We are better at articulating the challenge of loving a neighbor. I believe that it requires us to learn. Think about the love that one person has for another.
Mature love seeks to know the other person.
Intimacy is knowledge of another person. I love my wife. And that love compels me to know her better. Loving God calls us to know God better. Research and study of God's creation is an expression of love for God.