The vast majority of gay persons live lives indistinguishable from anyone else except for who they come home to. Learn here about their lives. Of course you do.
Diversity is what flavors our culture and gives it richness and beauty.
But chances are, your child is just like every other kid on the block. He or she probably runs around with the same crowd as all the other kids, enjoys pizza and hamburgers, and goes to the same school activities as all the other kids. The point is, that whatever your child is now, don't expect that to change. Your child is the same person he or she always was, and your new understanding of him or her won't change that. If you are a good parent, however, your understanding of your child's sexual orientation should actually help improve your relationship to each other and closeness as a family.