There is a lot of stuff inside us that we aren't eager to discuss. We would rather not have anyone look behind the masks we wear or the roles we play or the simple stories we have told ourselves to keep others at a distance and to keep some sort of order in our lives. We play off the stereotypes to create a superficial and false identity for ourselves. Then, perhaps, someone reaches through the mask and touches the central issue of your life. She names him, identifies him, pins him down to a socially understood role.
Prophets are people who know the answers.
And she has a question for him. Jesus' answer again breaks down the barriers. God doesn't like barriers. God is a Spirit. The Spirit or wind blows wherever it wants and blows on or into whomever it wants.