Teaching them is not patronizing them. What you teach may be accepted by your kids... Or not... Which is their choice.LoL...that's parenting gone wrong...you tell your kids you love them, you also tell them what's right or wrong...you also tell them who they are...teach them basic biology...Jeez.
You don't choose to be gay. You are. And once you are you expect your parents and all to understand your choice. Simple.