At this point in my parenting career, I'm pretty good at taking others' opinions in stride. Think cloth diapers and home schooling are the way to go? Fine. Neither are for me, but who cares? But every so often, I kick myself for not addressing a remark more clearly (or at all). So, behind the shield of the Internet, consider exhibit A... What? You shower with your son? Gross. As a person with g…